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P1518 Diagnostic Trouble Code Discussion for September 2007

Throttle Actuator Control Module Serial Data Malfunction

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Trouble Ticket Help Requests for DTC P1518
Help Request Posted
2003 GMC Sierra 1500 HD SLE 6.0L Cuts out, MIL Lamp on VIN: 1GTGK13U63
P1518: Throttle Actuator Control Module Serial Data Malfunction. mil illuminates and dashboard reads reduced engine power. Happens completely intermittent. sometimes 20 times in one trip, sometimes none. Found tsb 03-06-04-032 and performed all relevant diagnostics to no avail. Wiring all test fine at tac and tbi. I relly d...
September 24, 2007