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2004 Cadillac CTS 3.6L Hesitation
Posted to GM Driveability on 10/14/2010 4 Replies

We have a 2004 cadillac cts that just randomly sets a code 2138 and sometimes seems to run half throttle, if you turn the car off and on the running problem goes away but the light stays on. We have checked 5 volt reference, and grounds, everywhere that we can...

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  Related Documents & Media  2004 Cadillac CTS

 
Message Closed w/FIX

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM577X4
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation
OccursOn Accel

Trouble Codes

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

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM577X4
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation
OccursOn Accel

Trouble Codes

P2138Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation