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P137






Circuit Description

This diagnostic test checks for the loss of or invalid Antilock Brake/Traction Control System serial data to the PCM. When such a condition exists for 5 seconds Code P137 will set.

Test Condition(s)

1. Code P012 not set.
2. Engine speed 500 RPM or greater for 20 seconds.

Failure Condition(s)

Invalid or no serial data from the Antilock Brake/Traction Control System being received by the PCM for 5 seconds.

Action Taken

PCM sets all serial data from the Antilock/Brake Traction Control System to zero.

Diagnosis

Follow the diagnostic procedures for IPC Code I032, found under Instrument Panel, Gauges and Warning Indicators.