× 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
1999 Cadillac DeVille 4.6L No Start, MIL Lamp on,
Posted to GM Driveability on 11/12/2007 6 Replies

Vehicle won't start unless headlight switch is on. No dash activity unless headlight switch is on. Alarm sounds when anything is done... open door, turn ign, start eng. Trans is not shifting, 2nd gear only (no 12v). All fuses are good and have 12v. Relays chec...

6 Replies Received (View Replies)

  Related Documents & Media  1999 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

1999 Cadillac DeVille

VIN 1G6KD54Y1X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On,
OccursAlways

Trouble Codes

P0603PCM Internal Module Keep Alive Memory Error
P0758Lockup Solenoid 'B' Circuit Malfunction
P1602PCM Not Programmed
P1605Loss Of HVAC Serial Data
P1610Engine Control Relay Plausibility
Message Closed w/Summary

car Vehicle Data

1999 Cadillac DeVille

VIN 1G6KD54Y1X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On,
OccursAlways

Trouble Codes

P0603PCM Internal Module Keep Alive Memory Error
P0758Lockup Solenoid 'B' Circuit Malfunction
P1602PCM Not Programmed
P1605Loss Of HVAC Serial Data
P1610Engine Control Relay Plausibility