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Nissan · Transmission · Critical code

P0730 on Nissan: How to Diagnose & Fix

Incorrect Gear Ratio

13 Nissan models · 16 documented issues · 11 critical · $150-$20,000 repair

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P0730 by Nissan model

  • 2013-2023Altima1
  • 2014-2020Rogue1
  • 2012-2021Versa1
  • 2013-2021Sentra1
  • 2013-2025Pathfinder2
  • 2009-2020Murano1
  • 2009-2024GT-R1
  • 2011-2017Juke1
  • 2009-2020370Z1
  • 2011-2017Quest1
  • 2018-2024Kicks2
  • 2017-2022Rogue Sport1
  • 2004-2020Armada2
  • FAQ

P0730 on other makes

  • Acura
  • Audi
  • Bmw
  • Chevrolet
  • Chrysler
  • Dodge
  • Ford
  • Gmc
  • Honda
  • Hyundai
  • Infiniti
  • Jaguar
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P0730 by Nissan model

  • 2013-2023Altima1
  • 2014-2020Rogue1
  • 2012-2021Versa1
  • 2013-2021Sentra1
  • 2013-2025Pathfinder2
  • 2009-2020Murano1
  • 2009-2024GT-R1
  • 2011-2017Juke1
  • 2009-2020370Z1
  • 2011-2017Quest1
  • 2018-2024Kicks2
  • 2017-2022Rogue Sport1
  • 2004-2020Armada2
  • FAQ

P0730 on Nissan by model: symptoms, diagnosis and fix

Community reported
4,500 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The CVT transmission is known for reliability issues including shuddering, jerking, and complete failure. Nissan extended the CVT warranty on some model years to 10 years/120,000 miles due to widespread problems. High-mileage CVTs are particularly at risk.

Common Symptoms

  • Shuddering during acceleration
  • Jerky or hesitant response
  • Delayed engagement from stop
  • Whining noise from transmission
  • Complete loss of power
  • Check engine light

How to Fix

Change CVT fluid regularly with Nissan NS-3. Check if vehicle is covered by Nissan extended CVT warranty. If shuddering, may need valve body or complete CVT replacement. Avoid aggressive driving to prolong CVT life.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • OEM 2013-2018 Altima 2.5L CVT service kit

    2013-2018 Nissan Altima 2.5L QR25DE CVT; select exact year. Maintenance/contamination service only, not a cure for internal CVT damage.

    Z1 Motorsports
  • OEM 2013-2018 Altima 3.5L CVT service kit

    Service cannot repair confirmed mechanical judder or belt/pulley damage.

    Z1 Motorsports
  • OEM 2019-2023 Altima 2.5L CVT service kit

    Confirm year, drivetrain and VIN.

    Z1 Motorsports
  • OEM 2019-2023 Altima 2.0T CVT service kit

    2019-2023 Nissan Altima 2.0T KR20DDET CVT for this card; verify exact year/VIN. Not for the 2.5L engine.

    Z1 Motorsports

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipChange CVT fluid regularly with Nissan NS-3.
  • WarningThis is a high-severity issue - ignoring it can lead to costly repairs or safety concerns. Address it promptly.
  • TipGet a proper diagnosis before replacing parts - similar symptoms can have different causes
Typical repair cost:$300 - $5,000

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Based on 4,500 owner reports

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Community Reported
High Confidence4,500 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
All Nissan Altima known issues →
Community reported
3,800 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The Nissan Rogue's CVT transmission is prone to premature failure, shuddering, and jerky operation. Nissan extended the CVT warranty on many affected vehicles to 10 years/120,000 miles due to widespread issues. High-mileage CVTs are particularly at risk for complete failure.

Common Symptoms

  • Shuddering during acceleration
  • Jerky or hesitant response
  • Whining or humming noise from transmission
  • Delayed engagement from stop
  • Complete loss of power
  • Check engine light with CVT codes

How to Fix

Change CVT fluid regularly with Nissan NS-3 CVT fluid. Check if vehicle is covered by Nissan's extended CVT warranty. If shuddering occurs, may need valve body replacement or complete CVT replacement. Avoid aggressive driving to prolong CVT life.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-3 CVT fluid 999MP-CSHNS3

    2014-2020 Rogue CVT when the owner/service manual specifies Nissan NS-3; confirm VIN, transmission, service-fill quantity and temperature-based level procedure.

    Team Nissan

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipChange CVT fluid regularly with Nissan NS-3 CVT fluid.
  • WarningThis is a high-severity issue - ignoring it can lead to costly repairs or safety concerns. Address it promptly.
  • TipGet a proper diagnosis before replacing parts - similar symptoms can have different causes
Typical repair cost:$300 - $5,500

Research This Issue

Based on 3,800 owner reports

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Community Reported
High Confidence3,800 owner reportsLast reported by owners Aug 2023Reviewed Feb 2026
All Nissan Rogue known issues →
Community reported
3,500 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The 2012-2021 Versa CVT (Jatco JF015E) is one of the most failure-prone transmissions in Nissan's lineup. The combination of a budget vehicle with heavy use leads to premature CVT failure, often before 100,000 miles. Nissan extended the CVT warranty on 2012-2017 models to 10 years/120,000 miles due to a class-action settlement (Batista v. Nissan).

Common Symptoms

  • Shuddering and jerking during acceleration
  • Complete loss of drive
  • Transmission warning light
  • Whining or buzzing noise
  • Delayed engagement from stop
  • Vehicle won't move despite engine running

How to Fix

Check if covered by extended CVT warranty (10yr/120k for 2012-2017). Change CVT fluid every 30,000 miles with NS-3. Valve body replacement for shuddering ($1,200-2,000). Complete CVT replacement ($3,000-4,500). Consider manual transmission on earlier models if available.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-2 CVT fluid quart 999MP-CSHNS2

    Confirm the owner manual/VIN; do not substitute NS-3 or mix fluids.

    Chapman Nissan Parts
  • Genuine Nissan NS-3 CVT fluid quart 999MP-CSHNS3

    2013-2017 Versa Sedan N17 and 2014-2017 Versa Note E12 CVT branch in this warranty group; confirm VIN/manual and fill procedure.

    Nissan Wholesale Direct

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $4,500

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Based on 3,500 owner reports

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Community Reported
High Confidence3,500 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan Versa known issues →
Community reported
3,200 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The 2013-2021 Sentra uses the Jatco CVT7 (JF015E) transmission which is prone to premature failure, shuddering, and overheating. Nissan extended the CVT warranty to 10 years/120,000 miles under Customer Service Initiative P8242. The transmission can fail as early as 60,000 miles. Common failure modes include belt slipping, valve body failure, and bearing wear.

Common Symptoms

  • Shuddering during acceleration
  • Transmission slipping or jerking
  • Delayed engagement from stop
  • Whining or buzzing noise
  • CVT overheating warning
  • Loss of power at highway speeds

How to Fix

Check if covered under Nissan CVT warranty extension (10yr/120k miles). Have CVT fluid changed every 30,000 miles with Nissan NS-3 fluid. If shuddering, valve body replacement may help ($1,500-2,500). Complete CVT replacement costs $3,500-5,000. Avoid aggressive acceleration to prolong CVT life.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-3 CVT fluid quart 999MP-CSHNS3

    Confirm VIN, transmission, procedure and required quantity; not manual-transmission fluid and not an internal-wear cure.

    Team Nissan Parts

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $5,000

Research This Issue

Based on 3,200 owner reports

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Community Reported
High Confidence3,200 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan Sentra known issues →
Community reported
2,800 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The 2013-2020 Pathfinder uses the Jatco CVT8 (JF016E) which suffers from premature failure under the heavier loads of the SUV. The transmission overheats during towing, climbing, or sustained highway driving. Nissan issued TSB NTB15-024 for CVT judder and extended the warranty under CSI P8242. A class-action settlement provided additional coverage for some owners.

Common Symptoms

  • Violent shuddering at low speeds
  • Transmission overheating warning
  • Loss of power during acceleration
  • Hesitation or surging
  • Check engine light with P0868 code
  • Burning smell from transmission

How to Fix

Check CVT warranty extension eligibility. Have CVT fluid changed every 30,000 miles with NS-3 fluid. If shuddering, a valve body and TCM reprogram may resolve it ($1,200-2,000). Complete CVT replacement runs $4,000-6,000. Avoid towing near the max capacity.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-3 CVT automatic transmission fluid 999MP-CV0NS3

    2013-2020 Pathfinder V6 CVT where NS-3 is specified; confirm VIN, transmission, quantity and temperature-based level procedure.

    Z1 Motorsports

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $6,000

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Based on 2,800 owner reports

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Community Reported
High Confidence2,800 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
Link to this issueError Codes:P07A5P0729P0730P17F0

The redesigned 2022+ Pathfinder switched from the CVT to a ZF-based 9-speed automatic, and many owners reported harsh 1-2 or 2-3 shifts, lurching at low speed, hesitation when selecting Drive or Reverse, and occasional banging into gear. Nissan issued service information and software updates addressing shift quality and transmission control behavior, indicating this is a recognized field issue rather than isolated driver perception. Complaints commonly describe the problem as most noticeable when cold, in stop-and-go traffic, or during parking maneuvers.

Common Symptoms

  • harsh 1-2 or 2-3 upshift
  • bang or thump when shifting into Drive or Reverse
  • hesitation before moving from a stop
  • surging or lurching at low speed
  • rough downshifts when slowing
  • worse behavior when cold

How to Fix

Diagnosis typically starts with checking for TCM/ECM calibration updates, confirming fluid level/condition, and performing the prescribed adaptation or relearn procedure. Many vehicles improve with updated transmission software, but persistent cases may require valve body/mechatronic inspection or transmission replacement if internal faults are present. Road testing under the same temperature and load conditions that trigger the complaint is important because some units behave normally once warm.

Typical repair cost:$0 - $6,500
Sources for this issue (1)
  • PathfinderTalk forum discussions on 2022+ 9-speed harsh shifting and hesitationforum

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Community Reported
High Confidence
All Nissan Pathfinder known issues →
Community reported
1,900 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The 2009-2020 Murano equipped with the CVT (Jatco JF010E and later JF016E) is prone to premature failure. Symptoms include shuddering, slipping, and complete loss of drive. The 2009-2014 models with JF010E are particularly problematic. Nissan extended CVT warranties on some model years but many owners face failures outside coverage.

Common Symptoms

  • Shuddering at low speeds
  • Transmission slipping under load
  • Whining noise from transmission
  • Delayed engagement
  • Complete loss of drive
  • Overheating during highway driving

How to Fix

Regular CVT fluid changes every 30,000 miles with NS-3 fluid. Check CVT warranty extension eligibility. For shuddering, valve body replacement or TCM reprogram may help. Complete CVT replacement: $3,500-5,500.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-2 CVT fluid 999MP-NS200P

    Verify capacity, level procedure and exact transmission; never substitute into the NS-3 branch.

    Z1 Motorsports
  • Genuine Nissan NS-3 CVT fluid 999MP-CV0NS3

    Confirm VIN, transmission, quantity and temperature-based fill procedure.

    Team Nissan Parts

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $5,500

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Based on 1,900 owner reports

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Community Reported
High Confidence1,900 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan Murano known issues →
Community reported
850 owners
Link to this issueError Codes:P0700P0730P0741P0920

The Nissan GT-R GR6 dual-clutch transmission (built by BorgWarner) develops judder during low-speed maneuvers, parking, and first gear takeoffs. The clutch packs wear unevenly, and the transmission control module software can cause harsh engagement. Track use accelerates wear dramatically. Nissan extended the transmission warranty on early models. Replacement costs are exceptionally high.

Common Symptoms

  • Juddering at low speeds/parking
  • Harsh engagement in 1st gear
  • Clunking during slow maneuvers
  • Transmission shudder during creep
  • Clutch slip under high power
  • Transmission overheating on track

How to Fix

Software update from dealer may improve low-speed behavior. Transmission fluid change every 15,000 miles with Nissan R35 OEM fluid is critical. For worn clutches, a full transmission rebuild costs $10,000-20,000 at a GT-R specialist. Aftermarket clutch upgrades (Dodson, Shepherd) available for $5,000-12,000.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan R35 GT-R DCT transmission fluid 999MP-GTRT00P

    Confirm year-specific service procedure, actual drained/refill quantity, fluid temperature/level method and subsequent clutch/shift-fork setting with a GT-R-qualified shop.

    Z1 Motorsports

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$500 - $20,000
Sources for this issue (1)
  • https://www.nissan-techinfo.com/

Research This Issue

Based on 850 owner reports

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Community Reported
High Confidence850 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan GT-R known issues →
Community reported
580 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The Juke CVT (Jatco CVT7/JF015E) paired with the turbocharged engine is stressed beyond its design capacity. The turbo's torque output accelerates CVT wear, leading to shuddering, slipping, and failure often before 100,000 miles. AWD models add additional strain on the CVT.

Common Symptoms

  • Shuddering during acceleration
  • CVT slipping under boost
  • Whining noise from transmission
  • Loss of drive at highway speeds
  • Transmission overheating warning

How to Fix

Change CVT fluid every 25,000 miles with NS-3 (more frequent than standard due to turbo stress). Avoid launching the vehicle aggressively. CVT replacement costs $3,500-5,000. Check extended warranty eligibility.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-2 CVT fluid 999MP-CSHNS2

    Confirm VIN, transmission and manual; determine quantity from the service procedure.

    Chapman Nissan Parts
  • Genuine Nissan NS-3 CVT fluid 999MP-CSHNS3

    Confirm trim, VIN, transmission, required quantity and temperature/level procedure before purchase.

    Chapman Nissan Parts

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $5,000

Research This Issue

Based on 580 owner reports

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Community Reported
High Confidence580 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan Juke known issues →
Community reported
560 owners
Link to this issueError Codes:P0700P0730P0741P0751

The CD009 6-speed manual transmission can develop synchro wear, particularly affecting 2nd and 3rd gears. This results in grinding when shifting, especially under aggressive driving. The synchros are brass and wear faster than some competitors.

Common Symptoms

  • Grinding when shifting into 2nd or 3rd
  • Notchy shift feel
  • Difficulty engaging gears when cold
  • Gets worse over time
  • Metallic debris in transmission fluid

How to Fix

Change transmission fluid regularly with Nissan Matic S or equivalent. Rev-match downshifts to reduce synchro wear. For aggressive driving, consider upgrading to OS Giken or other performance synchros during rebuild. Use proper shift technique and avoid forcing gears.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • OEM Nissan 370Z/G37 six-speed manual transmission service kit

    2009-2020 370Z six-speed manual transmission; includes four quarts of Nissan MTF 75W-85 and one drain-plug washer. Not for the automatic transmission and not a cure for worn synchros.

    Z1 Motorsports

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipChange transmission fluid regularly with Nissan Matic S or equivalent.
  • TipGet a proper diagnosis before replacing parts - similar symptoms can have different causes
  • TipSearch Nissan 370Z forums and owner groups for real-world experiences and DIY guides
  • TipGet multiple quotes from independent mechanics - dealer prices can be 2-3x higher for the same repair
Typical repair cost:$200 - $4,000

Research This Issue

Based on 560 owner reports

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Community Reported
High Confidence560 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
All Nissan 370Z known issues →
Community reported
520 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The Quest CVT (Jatco JF010E/RE0F09B) paired with the VQ35DE V6 suffers from premature failure, particularly when the vehicle is fully loaded with passengers and cargo. The combination of a heavy minivan with a CVT designed for lighter vehicles leads to overheating and accelerated wear. Failures commonly occur between 60,000-120,000 miles.

Common Symptoms

  • Shuddering with full passenger load
  • Transmission slipping during uphill driving
  • Overheating warning light
  • Delayed engagement from stop
  • Complete loss of drive

How to Fix

Change CVT fluid every 30,000 miles with NS-3. Avoid overloading the vehicle. Add external CVT cooler for heavy-use scenarios. CVT replacement: $4,000-6,000. Check extended warranty eligibility.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-2 CVT fluid 999MP-CV0NS2

    2011-2014 Quest CVT only; confirm the owner's manual, service-fill quantity and level procedure. Do not mix with NS-3 or ATF.

    Z1 Motorsports
  • Genuine Nissan NS-3 CVT fluid 999MP-CSHNS3

    2015-2017 Quest CVT only; confirm VIN, service-fill quantity and temperature-based level procedure. Do not mix with NS-2 or ATF.

    Team Nissan

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $6,000

Research This Issue

Based on 520 owner reports

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Community Reported
High Confidence520 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan Quest known issues →
Community reported
450 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The Nissan Kicks CVT transmission (Jatco CVT7 W/R) overheats during sustained highway driving, particularly in hot weather or hilly terrain. The transmission enters limp mode to protect itself, limiting speed to 40-50 mph. The small displacement 1.6L engine forces the CVT to work harder at highway speeds, contributing to heat buildup.

Common Symptoms

  • Transmission overheating warning on dash
  • Vehicle enters limp mode on highway
  • Reduced power and speed limit
  • CVT whining noise under load
  • Jerky shifting during hot weather

How to Fix

Ensure CVT fluid is fresh with Nissan NS-3 (change every 30,000 miles). Avoid sustained high-speed driving in extreme heat. Some owners install auxiliary transmission coolers ($150-300 DIY). If overheating is chronic, TCM software update may be available at dealer.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-3 CVT fluid 999MP-CSHNS3

    Confirm VIN, current fluid part number, quantity and service-manual temperature/level procedure; do not flush or present fluid as a repair for damaged internals.

    Chapman Nissan Parts

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$150 - $3,500

Research This Issue

Based on 450 owner reports

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Community Reported
Medium Confidence450 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
Community reported
310 owners
Link to this issueError Codes:P0700P0730P0740P0868P17F0P17F1

The Kicks HR16DE 1.6L engine produces excessive noise and vibration that transmits into the cabin, particularly at highway RPMs where the CVT holds the engine at 3,000-4,000 RPM. The lack of sound insulation and the CVT's tendency to keep RPMs high under load amplifies the issue.

Common Symptoms

  • Loud engine drone at highway speeds
  • Excessive vibration felt in steering wheel and seats
  • Engine noise louder than expected
  • Resonance at 2,500-3,500 RPM

How to Fix

Check engine and transmission mounts for wear. Add sound deadening material to firewall and floor ($100-300 DIY). Some owners report improvement after dealer applies ECM calibration update that adjusts CVT shift points to lower cruising RPM.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Dynamat Xtreme Bulk Pak 10455

    Universal 36-square-foot sheet pack, not a Kicks precut kit. Measure the intended floor/firewall/door areas and preserve drains, wiring, airbags, fasteners, ventilation and service access.

    Dynamat

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$0 - $500

Research This Issue

Based on 310 owner reports

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Community Reported
Medium Confidence310 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
All Nissan Kicks known issues →
Link to this issueError Codes:P0700P0730P0868

The Nissan Rogue Sport uses the same Jatco CVT (Continuously Variable Transmission) that has been problematic across the Nissan lineup. The CVT can develop shuddering during acceleration, hesitation, and in severe cases, complete failure. The belt and pulley system wears prematurely, and the transmission fluid degrades faster than Nissan service intervals account for. Nissan extended the CVT warranty to 10 years/120,000 miles for some model years due to the widespread nature of this issue.

Common Symptoms

  • Shuddering during light acceleration
  • Hesitation or delay when accelerating
  • CVT whining or droning noise
  • Loss of power at highway speeds
  • Transmission warning light

How to Fix

Confirm the fault with a road test and scan for CVT-related DTCs such as ratio/performance or pressure-control codes, then inspect CVT fluid condition/level and check for overheat history in the TCM. If symptoms are mild and no hard internal failure codes are present, perform the Nissan CVT fluid deterioration reset, update the TCM calibration if applicable, and service the unit with genuine Nissan NS-3 CVT fluid; this typically runs about $250-$450. If the transmission still shudders, whines, shows metal contamination in the pan, or has internal failure codes, the fix is replacement of the valve body or complete CVT assembly, with typical repair costs around $1,500-$2,500 for a valve body and $4,000-$6,500 for a remanufactured/replacement transmission; check VIN eligibility for Nissan's 10-year/120,000-mile CVT warranty extension before authorizing major repairs.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Nissan NS-3 CVT fluid quart 999MP-CSHNS3

    Confirm VIN, service procedure and quantity; not a cure for internal CVT wear.

    Team Nissan Parts

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$200 - $4,500

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Medium Confidence
All Nissan Rogue Sport known issues →
Link to this issueError Codes:P0700P0730P0715P0720

The Y62 Armada's JATCO RE7R01A seven-speed draws a cluster of driveability complaints: a shock on 7-to-3 downshifts, engine RPM wandering at steady cruise, hesitation and a flat spot under light acceleration from low speed, and early upshifts into 3rd around 18-20 mph. Nissan addressed the driveability half with a TCM/ECM reprogram (bulletin NTB17-016, later revised) covering the 2017 Armada, Titan and Titan XD. Where a reflash does not settle it, the mechanical cause on this unit is bore and sleeve wear in the valve body - the low brake switch boost sleeve and the pilot valve bore in particular - which produces delayed engagement and harsh 4-3 downshifts as pressure leaks past.

Common Symptoms

  • Shift shock on downshift from 7th to 3rd
  • Engine RPM fluctuates at steady cruise
  • Hesitation or lack of power under light throttle from a stop
  • Upshifts into 3rd gear too early around 18-20 mph
  • Delayed engagement into Drive or Reverse
  • Harsh 4-3 downshift

How to Fix

Start with the TCM/ECM reprogram under the shift-shock bulletin and a fluid level/condition check; the reflash smooths most light-throttle hesitation and RPM fluctuation cases. If the shock and delayed engagement survive the reflash, the valve body is the next step - either a remanufactured/programmed valve body with TCM, or a rebuild that addresses the worn low brake boost sleeve and pilot valve bore, rather than a whole transmission. Owners quoted around $7,600 for a replacement transmission are being over-sold when the fault is a valve body. Use only the specified Nissan Matic fluid.

Typical repair cost:$150 - $4,000
Sources for this issue (3)
  • 2017 Armada transmission issues | Nissan Armada & Infiniti QX56 Forumsforum
  • 2017 Titan Transmission TSB Info (NTB17-016) | Nissan Titan Forumforum
  • 2017 Nissan Armada Technical Service Bulletins | CarComplaints.comtsb

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High ConfidenceVerifiedReviewed Aug 2026
Link to this issueError Codes:P0700P0730P0744

The TA60 radiator has the automatic transmission cooler built into the bottom tank, with coolant and ATF separated only by a thin internal wall. That wall cracks with age and thermal cycling, letting coolant push into the transmission circuit. The resulting pink, milky ATF - owners call it the strawberry milkshake - swells and delaminates the clutch friction material and destroys the RE5R05A within a few hundred miles of driving. The failure is frequently silent until shifting goes bad, and the same rupture can also push ATF into the cooling system. The factory spring clips on the cooler line-to-radiator joints are a second, separate leak point.

Common Symptoms

  • Pink milky transmission fluid
  • Oily film or ATF in the coolant overflow bottle
  • Slipping or flaring shifts
  • Delayed engagement into Drive or Reverse
  • Transmission overheat warning
  • Coolant loss with no external leak

How to Fix

Do not keep driving. Replace the radiator (or bypass the internal cooler entirely and fit a good external ATF cooler), then flush the transmission cooler lines. If any coolant reached the transmission, a fluid-and-filter change is not enough - the unit generally needs a rebuild or replacement, because contaminated friction material will not recover. Many owners preemptively bypass the radiator cooler and switch the cooler-line spring clips to screw clamps. Refill only with genuine Nissan Matic S.

Typical repair cost:$600 - $5,500
Sources for this issue (4)
  • Affected Model Years and Part Numbers - Radiator Failure Transmission Fluid Coolant Intermix | Nissan Armada & Infiniti QX56 Forumsforum
  • Tranny fluid in Radiator... Help Please!! | Nissan Armada & Infiniti QX56 Forumsforum
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P0730 code reference

General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.

Frequently asked questions

What does P0730 mean on a Nissan?

P0730 stands for "Incorrect Gear Ratio." This code means the transmission computer detected that the actual gear ratio (calculated from input vs. output shaft speeds) does not match what it should be for the commanded gear. In other words, the transmission isn't delivering the correct gear, which often shows up as slipping, flaring RPM during shifts, or being stuck in the wrong gear. It can stem from internal mechanical wear, low or contaminated fluid, or faulty solenoids and sensors. The vehicle may shift harshly or enter limp mode. On Nissan it is documented across 13 models: Altima, Rogue, Versa, Sentra, Pathfinder, Murano, GT-R, Juke, 370Z, Quest, Kicks, Rogue Sport, Armada.

What are the most common causes of P0730?

The most common causes of P0730 are: Low or contaminated transmission fluid, Worn clutches or bands (internal slipping), Faulty shift solenoids, Dirty or sticking valve body, Faulty input or output speed sensor, Internal hydraulic/line pressure problems, Torque converter problems, General high-mileage transmission wear. The specific cause varies by vehicle.

How much does it cost to fix P0730 on a Nissan?

Published repair estimates on Nissan range from $150 to $20,000 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.

Related codes

  • P0731 · Gear 1 Incorrect Ratio
  • P0732 · Gear 3 Incorrect Ratio
  • P0733 · Gear 4 Incorrect Ratio
  • P0734 · Gear 4 Incorrect Ratio
  • 17125 · Torque Converter Clutch Circuit: Performance or Stuck Off
  • P0218 · Transmission Over Temperature Condition
  • P0500 · Vehicle Speed Sensor Malfunction
  • P0700 · Transmission Control System Malfunction

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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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