On some Infiniti models, the pressure sensor is integrated into the ABS Actuator And Electric Unit (Control Unit).
There is a Factory Service Bulletin for the following Infiniti models:
2007–2008 Infiniti G35 Sedan
2007 G35 Infiniti Coupe
2009 G37 Infiniti Sedan
2008–2009 Infiniti G37 Coupe
2006–2009 Infiniti M35/M45
Infiniti Factory Service Bulletin OBDII Code C1142
Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the C1142 Infiniti code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
Pressure switch signal line is open or shorted, or pressure switch is malfunctioning (2WD models).
The Brake Fluid Pressure Sensor converts the brake fluid pressure to an electric signal and transmits it to the Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit). The ABS Actuator And Electric Unit monitor the Brake Fluid Pressure Sensor. The ABS Actuator And Electric Unit set the OBDII code when the Brake Fluid Pressure Sensor is not to factory specifications.
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