
1994 Oldsmobile 88 Royale 3.8L MIL Lamp on
This car came to us with a cruise control problem, with no mention of MIL on. Cruise was repaired by replacing cruise brake pedal switch. During testing, found that P1640 Quad driver # 1 was setting. Code will set when transmission is shifted into reverse as l...
FIX posted 3/13/2004
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Message Closed w/FIX
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VIN | 1G3HN52L3R |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | US Fed |
Symptoms | MIL Lamp On |
Occurs | Always, on Decel, in Reverse |
Trouble Codes
P1640 | Output Driver Module 'A' Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1994 Oldsmobile 88 Royale
VIN | 1G3HN52L3R |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | US Fed |
Symptoms | MIL Lamp On |
Occurs | Always, on Decel, in Reverse |
Trouble Codes
P1640 | Output Driver Module 'A' Circuit Malfunction |