Brake Pedal Position Sensor Range/Performance
2004-2004 Jeep Wrangler 2.4L I4
The 2004 Jeep Wrangler is equipped with a 2.4L inline-4 engine. Below you'll find detailed c0101 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The brake pedal position sensor signal does not correlate with actual pedal travel or other brake sensors.
Symptoms
- ABS light on
- Brake assist inoperative
- Regenerative braking inconsistent
- Stability control disabled
Common Causes
- Brake pedal position sensor wear
- Mechanical linkage issue
- Sensor calibration drift
- Brake pedal free play excessive
Diagnostic Steps
- Compare pedal position sensor to brake pressure sensor data
- Check for dead spots in sensor range
- Inspect pedal linkage and pivot
- Verify pedal free play is within specification
- Perform sensor recalibration if applicable
Repair Notes
Replace sensor if worn. Adjust pedal free play to specification.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0101 on Other Vehicles
Common Questions
What does code C0101 mean on a 2004-2004 Jeep Wrangler?
C0101 stands for "Brake Pedal Position Sensor Range/Performance". The brake pedal position sensor signal does not correlate with actual pedal travel or other brake sensors.
What are the symptoms of C0101 on a Jeep Wrangler?
Common symptoms of C0101 include: ABS light on, Brake assist inoperative, Regenerative braking inconsistent, Stability control disabled.
What causes C0101 on a 2004-2004 Jeep Wrangler?
Common causes of C0101 include: Brake pedal position sensor wear, Mechanical linkage issue, Sensor calibration drift, Brake pedal free play excessive.
Last updated: March 2026