P1372

Circuit Description
This DTC indicates that there is an intermittent problem with the relationship between CKP Sensor A and CKP Sensor B.

Conditions for Running the DTC
Engine cranking or running.

Conditions for Setting the DTC
The PCM detects an intermittent loss Of match between the two CKP sensor signals

Action Taken When the DTC Sets
^ The PCM illuminates the Malfunction Indicator Lamp on the second consecutive ignition cycle that the diagnostic runs and tails.
^ The PCM records the operating conditions at the time the diagnostic tails. The first time the diagnostic fails, the PCM stores this information in the Failure Records. If the diagnostic reports a failure on the second consecutive ignition cycle, the PCM records the operating conditions at the time of the failure. The PCM writes the conditions to the Freeze Frame and updates the Failure records.

Conditions for Clearing the MIL/DTC
^ The PCM turns the MIL Oft after three consecutive drive trips that the diagnostic runs and does not fail.
^ A last test failed (current DTC) clears when the diagnostic runs and does not fail.
^ A History DTC clears after forty consecutive warm-up cycles, if this or any Other emission related diagnostic does not report any failures.
^ Use a scan tool in order to clear the MIL/DTC.
^ Interrupting the PCM battery voltage may or may not clear DTCs. This practice is not recommended.

Diagnostic Aids

Notice: Use the Connector Test Adapter Kit J 35616-A for any test that requires probing the following items:
^ The PCM harness connectors
^ The electrical center fuse/relay cavities
^ The component terminals
^ The component harness connector
Using this kit will prevent damage caused by the improper probing of connector terminals.


Test Description
Number(s) below refer to the step number(s) on the diagnostic table.
3. The CKP Sensor Status parameter should always indicate Angle. If Time A or Time B is displayed, a problem has been detected.