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1991 Pontiac Bonneville LE 3.8L Transmission Codes
Here's one for all of you GM trans techs. 1991 Pontiac Bonneville 4spd A/T Customer was complaining of the check engine light coming on at stop lights. I checked the codes and it had just about every related transmission code: 24,27,28,29. We then proceeded to...
FIX posted 6/12/2001
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Related Documents & Media | VIN | 1G2HX54C1M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | Transmission Codes |
| Occurs | No Symptoms |
Trouble Codes
| 24 | no vss signal |
| 27 | 2nd gear switch/circuit problem |
| 28 | 3rd gear/circuit problem |
| 29 | 4th gear/circuit problem |
| 31 | park/neutral switch problem |
Message Closed w/FIX
Vehicle Data
1991 Pontiac Bonneville LE
| VIN | 1G2HX54C1M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | Transmission Codes |
| Occurs | No Symptoms |
Trouble Codes
| 24 | no vss signal |
| 27 | 2nd gear switch/circuit problem |
| 28 | 3rd gear/circuit problem |
| 29 | 4th gear/circuit problem |
| 31 | park/neutral switch problem |
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