Rick's Free Auto Repair Advice

Posts Tagged: reduced power

P1516 P2135 P2138

Fix codes P1516 P2135 P2138 GM has issued a technical service bulletin (TSB) 07-06-04-003 to address a problem with a reduced power and REPEATING trouble codes P1516 P2135 P2138 on the following vehicles: 2005-2006 Chevrolet Cobalt, Cobalt SS, Malibu 2006 Chevrolet Colorado, TrailBlazer 2006 GMC Canyon, Envoy 2006 HUMMER H3 2005-2006 Saturn ION, ION Red Line 2006 Saab 9-7X The codes P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance, P2135 Throttle Position (TP) Sensor 1-2 Correlation, P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation, may NOT require replacement. … Read More


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