Rick's Free Auto Repair Advice

Posts Tagged: P2127 chevrolet

P2127 Chevrolet or P2138 Chevrolet

How to diagnose and fix P2127 Chevrolet or P2138 Chevrolet trouble codes Shops are reporting a high incidence of P2127 Chevrolet or P2138 Chevrolet trouble codes and the problem can be a wiring harness issue at the accelerator pedal position sensor OR at the throttle body. Don’t automatically assume the components are bad unless you like throwing parts around. Here are the codes and the criteria for setting: Code definition: P2127- Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage Criteria: The ECM detects that the APP sensor 2 voltage … Read More


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