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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 C0550: Ecu Malfunction >> Diagnosis

DTC C0550: Ecu Malfunction: 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. If any other DTCs than DTC C0550 are set, see DIAGNOSTIC TROUBLE CODE DEFINITIONS  table under DIAGNOSIS & TESTING for diagnosis. If no other DTCs than DTC C0550 are set, go to next step.
  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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