C1142high severityChassis
Pressure Sensor Malfunction
on 2003 Infiniti FX45 4.5L V8 · AWD
What this code means
The brake fluid pressure sensor is reading out of range or has failed. No direct OBD P-code equivalent.
Symptoms
- ABS/VDC warning light on
- Stability control disabled
- Inconsistent brake assist
Common causes
- Faulty pressure sensor
- Sensor wiring open or short
- Corroded sensor connector
- Faulty ABS control unit
Diagnostic steps
- Scan for C1142 and read live pressure data
- Inspect sensor connector and wiring
- Compare sensor output at rest and braking
- Replace sensor if out of spec
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic