C121D–BRAKE PRESSURE SENSOR CIRCUIT

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    When the Anti-Lock Brake Module indicates that the Brake Pressure Sensor Signal is out of range.


Possible Causes
 
ANTI-LOCK BRAKE MODULE
 
INTEGRATED CONTROL MODULE
 




Diagnostic Test

1.CHECK FOR A DTC C121D-BRAKE PRESSURE SENSOR CIRCUIT

NOTE: This DTC must be active for the results of this test to be valid.










Does the scan tool display: C121D-BRAKE PRESSURE SENSOR CIRCUIT?

Yes
  • Go To 2


No

2.RECHECK FOR A DTC C121D-BRAKE PRESSURE SENSOR CIRCUIT









Does the scan tool display: C121D-BRAKE PRESSURE SENSOR CIRCUIT?

Yes


No
  • Test complete