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1985
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DeVille V8-252 4.1L
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Cruise Control
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Technical Service Bulletins
Cruise Control: Technical Service Bulletins
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Recalls
Campaign - Special Policy Check List
Customer Interest
ECM - Driveability Concerns/Erratic Warning Lamps
Overview
Conditon and Cause
Correction:
A.Loss of Power or Ground to the ECM
B.Large Voltage Variations On Vehicle Power and Ground Wires
C.Large Voltage Variations On ECM Connected Signal Wires
Cruise Control - Slight Surge Above 50 MPH
Electric Vacuum Pump - Noise/Steering Wheel Vibration
By Symptom
Customer Interest
ECM - Driveability Concerns/Erratic Warning Lamps
Overview
Conditon and Cause
Correction:
A.Loss of Power or Ground to the ECM
B.Large Voltage Variations On Vehicle Power and Ground Wires
C.Large Voltage Variations On ECM Connected Signal Wires
Cruise Control - Slight Surge Above 50 MPH
Electric Vacuum Pump - Noise/Steering Wheel Vibration
Erratic Operation
Cruise Control - Slight Surge Above 50 MPH
Noise
Electric Vacuum Pump - Noise/Steering Wheel Vibration
Recalls
Campaign - Special Policy Check List
All Technical Service Bulletins
Campaign - Special Policy Check List
ECM - Driveability Concerns/Erratic Warning Lamps
Overview
Conditon and Cause
Correction:
A.Loss of Power or Ground to the ECM
B.Large Voltage Variations On Vehicle Power and Ground Wires
C.Large Voltage Variations On ECM Connected Signal Wires
Cruise Control - Slight Surge Above 50 MPH
Electrical - Wire Probing Device
Electric Vacuum Pump - Noise/Steering Wheel Vibration