Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Set Condition
2023 Jeep Compass AltitudeSECTION Set Condition
- C053D - The PCM determines that the Master Cylinder Pressure Sensor signal is irrational.
- C10F5 - The PCM determines that the Brake Torque signal is irrational.
- P057B - The PCM determines that the Brake Pedal Position Sensor signal is irrational.
- U0121 - The PCM does not receive the Brake Pedal Position Sensor signal.
- U0129 - The PCM does not receive the Master Cylinder Pressure Sensor signal.
- U0418 - The PCM receives an SNA message indicating that the has detected a fault in the Master Cylinder Pressure Sensor signal.
- U11BF - The PCM receives an SNA message indicating that the has detected a fault in the Brake Pedal Position Sensor signal.
- (C0501, C0507, C050D, C0513) Wheel Speed Signal Rationality Faults - When at a stop, one WSS signal is showing vehicles speed output and the other three WSS signals are reading 0 OR When the difference between one WSS signal compared to the other three WSS signals is more than 11 MPH, for 30 seconds.
- (U1409, U140A, U140B, U140C, U1412, U1417, U1418) Implausible Wheel Speed and Distance Signal Faults - These faults will typically set when the ABS Module detects a fault with one of the WSS signals. The ABS Module will send an SNA or error flag against the sensor.
The (P057B, P057C, P057D, U11BF) BPP Sensor faults can set for any of the following:
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.