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2004 Cadillac CTS 3.6L No Start, Defective New PCM's
Posted to GM Driveability on 11/11/2015 7 Replies

OK, Diagnosis thru IATN & Identifix sources was fairly straight forward, a bad PCM. The oem PCM had no communication. The power mode read all key positions fine. Replaced it with a Reman Delco unit [...]. Once installed before programming the key would return ...

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  Related Documents & Media  2004 Cadillac CTS

 
Message Closed w/FIX

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM57734
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start, Defective New Pcm's
OccursAlways

Trouble Codes

U1000Class 2 Communication Malfunction
Message Closed w/FIX

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM57734
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start, Defective New Pcm's
OccursAlways

Trouble Codes

U1000Class 2 Communication Malfunction