GMC chervolet camaro 1999 Service Manual page 680

Brakes
Antilock Brake System 5-205
OTC C0238 TCS TP Sensor Comparison Malfunction
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Circuit Description
Diagnostic Aids
213292
The throttle position signal is used by the ASM to
control the actual throttle position that is requested by
the EBTCM. The EBTCM compares the Delivered
throttle position sensor value that is sent from the ASM
to the throttle position sensor value sent from the
• It is very important that a thorough inspection of
the wiring and connectors be performed. Failure
PCM over the Class 2 serial data line.
Conditions for Setting the OTC
OTC C0238 will set if the EBTCM detects a difference
between the PCM throttle position and the throttle
position sent from the ASM.
Action Taken When the OTC Sets
• A malfunction DTC is stored.
• The TCS is disabled.
Conditions for Clearing the OTC
• Condition for OTC is no longer present and scan
tool clear OTC function is used.
• 100 ignition cycles have passed with no DTCs
detected.
to carefully and fully inspect wiring and connectors
may result in misdiagnosis, causing part
replacement with reappearance of the malfunction.
• If an intermittent malfunction exists refer to
General Electrical Diagnosis in Wiring Systems.
Test Description
The number(s) below refer to the step number(s) on
the diagnostic table.
2. This step checks if the PCM detected a fault.