
2005 Cadillac CTS 3.6L No Start, No ECM communication
We thought we had a "typical" ECM failure on this CTS and had just repaired another 05 CTS with reman ECM a few days before this nightmare. Key on, no check engine light, no communication. Key stuck in igntion. We ran through the GM service bulletin regard...
FIX posted 10/18/2022
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Message Closed w/FIX
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VIN | 1G6DP567X5 |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | No Start, No ECM Communication |
Occurs | After Sitting |
Trouble Codes
U0100 | Lost Communication With PCM |
U1000 | Class 2 Communication Malfunction |
Message Closed w/FIX
Vehicle Data
2005 Cadillac CTS
VIN | 1G6DP567X5 |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | No Start, No ECM Communication |
Occurs | After Sitting |
Trouble Codes
U0100 | Lost Communication With PCM |
U1000 | Class 2 Communication Malfunction |