DTC C0166 & DTC C0171: TCS Priming Line Of Pilot Valve Circuit Malfunction (CAMARO & Firebird): Diagnosis
- Perform DIAGNOSTIC SYSTEM CHECK under DIAGNOSIS & TESTING. Go to next step.
- Using scan tool, clear DTC. Remove scan tool from DLC. Carefully drive vehicle above 8 MPH for several minutes. Turn ignition off. Install scan tool. Turn ignition switch on, engine off. Using scan tool in DIAGNOSTIC TROUBLE CODES mode, check for DTCs. If DTC resets, go to next step. If DTC does not reset, see 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.