1999 Cadillac DeVille 4.6L No Start, MIL Lamp on,
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...
Summary posted 11/30/2007
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Vehicle Data1999 Cadillac DeVille
Trouble Codes
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Message Closed w/Summary
Vehicle Data
1999 Cadillac DeVille
VIN | 1G6KD54Y1X |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start, MIL Lamp On, |
Occurs | Always |
Trouble Codes
P0603 | PCM Internal Module Keep Alive Memory Error |
P0758 | Lockup Solenoid 'B' Circuit Malfunction |
P1602 | PCM Not Programmed |
P1605 | Loss Of HVAC Serial Data |
P1610 | Engine Control Relay Plausibility |