× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 Cadillac DeVille 4.6L No Start, no crank
Posted to GM Driveability on 2/14/2020 18 Replies

Car towed in dead, auto club tried to boost, has been sitting for several months, 1yr old battery dead for some time. New battery installed for testing No communication with pcm. check engine light on, u1000 codes in all modules saying no communication w/p...

18 Replies Received (View Replies)

  Related Documents & Media  2003 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

2003 Cadillac DeVille

VIN 1G6KD54YX3
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, No Crank
OccursAlways

Trouble Codes

U1000Class 2 Communication Malfunction
Message Closed w/FIX

car Vehicle Data

2003 Cadillac DeVille

VIN 1G6KD54YX3
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, No Crank
OccursAlways

Trouble Codes

U1000Class 2 Communication Malfunction