DTC C0238: TCS Throttle Position Sensor Comparison Malfunction (CAMARO & Firebird): Diagnosis
- Perform DIAGNOSTIC SYSTEM CHECK under DIAGNOSIS & TESTING. Go to next step.
- Check to see if any PCM Throttle Position Sensor (TPS) DTCs are set. If DTCs are set, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- Install scan tool and clear DTCs. Turn ignition off. Disconnect scan tool. Turn ignition on, with engine off. If DTC resets, go to next step. If DTC does not reset, perform DIAGNOSTIC SYSTEM CHECK under DIAGNOSIS & TESTING.
- Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE under REMOVAL & INSTALLATION. After repairs, go to next step.
- Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.