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2009 Chevrolet Impala LT 3.5L MIL Lamp on
Posted to GM Driveability on 6/13/2015 8 Replies

I keep getting code P2138 and reduced engine power message on ipc. scan data pids always show agree on app1 and app2. I know about tsb on this code and checked that harness connector and put dielectric grease on those connectors plus the gas pedal, throttle bo...

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  Related Documents & Media  2009 Chevrolet Impala LT

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Impala LT

VIN 2G1WT57K39
Engine3.5 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P2138Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Impala LT

VIN 2G1WT57K39
Engine3.5 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P2138Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation