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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Anti-Lock Brake System With Traction Control System - BOSCH 5.3) >> Diagnostic Tests >> DTC C0166 & DTC C0171: TCS Priming Line Of Pilot Valve Circuit Malfunction (CAMARO & Firebird) >> Diagnosis

DTC C0166 & DTC C0171: TCS Priming Line Of Pilot Valve Circuit Malfunction (CAMARO & Firebird): Diagnosis

WARNING: This page is about a different car, the 2001 Pontiac Grand Prix, 2001 Pontiac Firebird, 2001 Oldsmobile Intrigue, and 2001 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. Go to next step.
  2. 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.
  3. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to next step.
  4. Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.
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