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2005 Cadillac CTS 3.6L No Start
Posted to GM Driveability on 11/19/2015 13 Replies

Intermittently ignition key will turn, engine will not crank, key will not come out of ignition while vehicle is acting up all modules have a u0100 code except the ecm and I can not communicate with the ecm. So we replaced ecm and now the new ecm will not prog...

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  Related Documents & Media  2005 Cadillac CTS

 
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car Vehicle Data

2005 Cadillac CTS

VIN 1G6DP56715
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

U0100Lost Communication With PCM
Message Closed

car Vehicle Data

2005 Cadillac CTS

VIN 1G6DP56715
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

U0100Lost Communication With PCM