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Mazda · Cooling · Critical code

P0217 on Mazda: How to Diagnose & Fix

Engine Overtemperature Condition

1 Mazda model · 1 documented issue · 1 critical

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P0217 by Mazda model

  • 2013-2019CX-51
  • FAQ

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P0217 by Mazda model

  • 2013-2019CX-51
  • FAQ

P0217 on Mazda by model: symptoms, diagnosis and fix

Community reported
980 owners
Link to this issueError Codes:P0217P0128

Rear brake calipers and electronic parking brake (EPB) stick or seize due to moisture accumulation in caliper brackets. This causes uneven brake pad wear, overheating, and premature failure, often before 40,000 miles.

Common Symptoms

  • Rear brake pads/rotors worn before 40,000 miles
  • Grinding noise from rear brakes
  • Emergency parking brake seizure
  • Vehicle pulling to one side when braking
  • Brake overheating smell

How to Fix

Replace calipers, rotors, and pads. Clean and lubricate caliper brackets during routine brake service to prevent recurrence.

What you need to fix it

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

  • CRC 05361 Silaramic brake-system grease, 5-ounce tube
    OEMCRC 05361

    Lubricate approved caliper slide and metal contact points during a correctly scoped brake service Fitment/availability: Live direct product page identifies CRC 05361 for brake-system component lubrication with Add to Cart. Apply only whe…

    NAPA

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

  • TipInspect and lubricate caliper slide pins at every brake service
  • TipApply anti-seize to caliper bracket contact points
  • TipFlush brake fluid every 2 years to prevent moisture buildup

Research This Issue

Based on 980 owner reports

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Community Reported
High ConfidenceVerified980 owner reportsLast reported by owners Sep 2023Reviewed Feb 2026
All Mazda CX-5 known issues →

P0217 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 P0217 mean on a Mazda?

P0217 stands for "Engine Overtemperature Condition." This code sets when the engine control module detects that the engine has exceeded its safe operating temperature, meaning the engine is overheating based on the coolant temperature sensor reading. Because excessive heat can warp the cylinder head, blow the head gasket, or seize the engine, the computer flags this condition and may reduce power to protect the engine. It generally indicates a real cooling system problem rather than just a sensor glitch, though a faulty sensor can occasionally cause a false reading. An overheating engine should be stopped as soon as it is safe to avoid serious damage. On Mazda it is documented across 1 model: CX-5.

What are the most common causes of P0217?

The most common causes of P0217 are: Low coolant level or a leak in the cooling system, Stuck-closed thermostat, Failed water pump, Faulty radiator cooling fan or fan circuit, Clogged or blocked radiator, Faulty coolant temperature sensor giving a false high reading, Head gasket failure or combustion gases in the coolant, Air pocket in the cooling system after service. The specific cause varies by vehicle.

How much does it cost to fix P0217 on a Mazda?

Repair costs vary widely with the root cause and Mazda model; each issue on this page carries its own estimate where one is published.

Related codes

  • P0216 · Injection Timing Control Circuit Malfunction
  • P0218 · Transmission Over Temperature Condition
  • P00B7 · Engine Coolant Flow Low/Performance
  • P0117 · Engine Coolant Temperature Sensor Circuit Low
  • P0118 · Engine Coolant Temperature Sensor Circuit High
  • P0128 · Coolant Thermostat Below Regulating Temperature
  • P0526 · Cooling Fan Speed Sensor Circuit
  • P0597 · Thermostat Heater Control Circuit Open

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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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