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2005 Cadillac DeVille 4.6L MIL Lamp on
Posted to GM Driveability on 10/14/2013 9 Replies

Our problem is to try and solve intermittent harsh shifting. We have code P0172 which indicates throttle position sensor 1 circuit short/low. Testing verified that TPS is good but that we have no 5 volt reference coming out of computer pin#8 at connector 2 of ...

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  Related Documents & Media  2005 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

2005 Cadillac DeVille

VIN 1G6KD54Y65
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P1811Maximum Adaptive & Long Term Shift
Message Closed w/Summary

car Vehicle Data

2005 Cadillac DeVille

VIN 1G6KD54Y65
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P1811Maximum Adaptive & Long Term Shift