C0545 on Jeep: How to Diagnose & Fix
Electronic Stability Control Inhibit
1 Jeep model · 1 documented issue · 1 critical
C0545 on Jeep by model: symptoms, diagnosis and fix
The Grand Wagoneer's electric power steering (EPS) rack-and-pinion assembly experiences premature failure, manifesting as sudden loss of power steering assist, wandering on the highway, or excessive steering effort. On 2024-2025 models, Stellantis TSB 08-185-25 traces partial or full loss of assist with an illuminated EPS indicator (DTCs C1593-00 / C0051-64) to an over-greased EPS wire harness connector; once the code sets, the reduced assist remains for the rest of the key cycle. Given the Grand Wagoneer's 6,000+ lb curb weight, loss of power steering assist makes the vehicle extremely difficult to control, especially at low speeds.
Common Symptoms
- Steering assist warning light illuminated
- Sudden heavy steering effort
- Steering wanders or drifts at highway speed
- Steering feels loose or disconnected in center position
- Clunking from steering rack area during turns
How to Fix
Per TSB 08-185-25, the dealer first inspects and cleans the EPS wire harness connector; the electric rack and pinion is replaced as a complete assembly only if needed. The dealer repair is covered under the 3-year/36,000-mile basic warranty. After replacement, a steering angle sensor calibration and alignment must be performed. If out of warranty, remanufactured EPS racks from certified rebuilders are available at 40-50% savings over new OEM.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- Genuine Mopar 68565874AD EPS rack-and-pinion gear for 6.4LOEMMopar 68565874AD
Complete steering-gear replacement after software, voltage, circuit and mechanical diagnosis confirms internal failure Fitment/availability: 2022-2023 Grand Wagoneer 6.4L short wheelbase. Not for the 3.0L Hurricane or Grand Wagoneer L; c…
- Genuine Mopar 68565868AH EPS rack-and-pinion gear for 3.0L short wheelbaseOEMMopar 68565868AH
Complete steering-gear replacement after software, voltage, circuit and mechanical diagnosis confirms internal failure Fitment/availability: 3.0L short-wheelbase Grand Wagoneer catalog branch, current replacement for 68565868AF. Not for …
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Owner tips & cautions
- WarningIf your Grand Wagoneer steering warning light comes on, do NOT continue driving. This 6,000+ lb vehicle is nearly impossible to steer without power assist at parking lot speeds. Pull over safely and call for a tow to the dealer. This is a safety-critical failure.
Sources for this issue (1)
C0545 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 C0545 mean on a Jeep?
C0545 stands for "Electronic Stability Control Inhibit." This chassis/brake code indicates the electronic stability control (ESC) system has been inhibited, meaning it has temporarily disabled itself because of a related fault or invalid condition. Stability control helps keep the vehicle from skidding by selectively braking wheels and managing engine power, and it relies on inputs like wheel speed, steering angle, and yaw sensors. When one of those inputs is missing or implausible, the system shuts itself off and sets this code. Often it is a secondary code triggered by another underlying fault rather than a problem with stability control hardware itself. On Jeep it is documented across 1 model: Grand Wagoneer.
What are the most common causes of C0545?
The most common causes of C0545 are: Faulty or dirty wheel speed sensor, Steering angle sensor fault or needing calibration, Yaw rate / lateral acceleration sensor fault, Low brake fluid or related brake system fault, Damaged wiring or connectors to a sensor, Related ABS/traction control fault setting this as secondary, Faulty ABS/ESC control module. The specific cause varies by vehicle.
How much does it cost to fix C0545 on a Jeep?
Repair costs vary widely with the root cause and Jeep model; each issue on this page carries its own estimate where one is published.
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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.