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1999 Cadillac DeVille d'Elegance 4.6L No Start, no pcm data
Posted to GM Driveability on 10/9/2007 7 Replies

ok cadillac gurus, i need your wisdom... i have this cadillac that came in on the hook. customer thought it was the fuel pump, so i checked for psi,had none. so i checked fuses, fuel pump fuse was good, jumped the relay and had around 55psi. got the above code...

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car Vehicle Data

1999 Cadillac DeVille d'Elegance

VIN 1G6KE54Y8X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, No PCM Data

Trouble Codes

P0462Fuel Level Sensor Circuit Low Voltage
P0603PCM Internal Module Keep Alive Memory Error
P1189Throttle Inlet Pressure Sensor Circuit Low Voltage
P1599A/C Pressure Sensor Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1999 Cadillac DeVille d'Elegance

VIN 1G6KE54Y8X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, No PCM Data

Trouble Codes

P0462Fuel Level Sensor Circuit Low Voltage
P0603PCM Internal Module Keep Alive Memory Error
P1189Throttle Inlet Pressure Sensor Circuit Low Voltage
P1599A/C Pressure Sensor Circuit Low Voltage