cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Engine Control Module|Service and Repair > < Component Tests and General Diagnostics|Page 1598
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If the engine stumbles or stalls, the "CHECK ENGINE" "SERVICE ENGINE SOON" or "MALFUNCTION INDICATOR" light flashes, or any of the
previous symptoms occur, the control module may have bad solder joints on the circuit board.

ECM/PCM Diagnosis

For ECM/PCM Diagnostic Trouble Codes and Testing and Inspection refer to Powertrain Management / Computers and Control Systems / Testing
and Inspection.
 See: Computers and Control Systems/Testing and Inspection  

Engine Control Module|Service and Repair > < Component Tests and General Diagnostics|Page 1598