2007 Chevrolet Impala LT 3.9L MIL Lamp on
whats confusing to me is that the car does start. I cleared the codes and these codes immediately reset, po633, u0140, b3031, b3935. All warning lights are on in the cluster. Several messages including service theft, service air bags. None of the gauges in...
FIX posted 3/27/2023
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Message Closed
Vehicle Data2007 Chevrolet Impala LT
Trouble Codes
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Message Closed
Vehicle Data
2007 Chevrolet Impala LT
VIN | 2G1WU58R77 |
Engine | 3.9 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
B3031 | secutity controlled in learn mode |
B3935 | transponder authentication error |
P0633 | SKIM Key Not Programmed In PCM |
U0140 | Lost Communication With Body Control Module |