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2004 Cadillac CTS 3.6L MIL Lamp on
Posted to GM Driveability on 4/6/2009 4 Replies

No power in drive or under load. Engine revs fine in park and neutral. Saw the GM TSB on throttle body and pigtail replacement but don't think this is the issue. Engine has run fine under load that seemed to be intermittent but now no power and MIL when in gea...

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car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM57704
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load, in Gear

Trouble Codes

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

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM57704
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load, in Gear

Trouble Codes

P2138Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation