C0445high severityChassis
Pedestrian Detection System Fault
on 2021 Jeep Cherokee 2.4L I4 · 4WD
What this code means
Malfunction in the pedestrian detection subsystem of the collision avoidance suite.
Symptoms
- Pedestrian detection warning
- AEB for pedestrians disabled
- Forward camera or radar issue
- Driver assist reduced message
Common causes
- Camera cannot distinguish pedestrian shapes
- Radar calibration preventing pedestrian classification
- Sensor fusion mismatch
- Software algorithm error
Diagnostic steps
- Check forward camera operation
- Verify radar module function
- Test in area with pedestrians at low speed
- Check for software updates
- Perform sensor calibration
Repair notes
Calibrate sensors. Update software if available. Replace faulty camera or radar module.
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C0021
LF Wheel Speed Sensor Range/Performance
C0021
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C0022
RF Wheel Speed Sensor Range/Performance
C0022
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LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
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C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
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