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2000 Chevrolet Corvette 5.7L Code P1638
Car came in with multiple [...] a defective battery and tightening the ground cable on the block solved some of the weirder ones. Was setting a P1637 code. (Gen L term.) Using GM's code chart (I should know better) led me to replace the alt. Now it charges...
FIX posted 2/11/2019
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Message Closed w/FIX
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9 Replies Received
Related Documents & Media | VIN | 1G1YY32GXY |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Code P1638 |
| Occurs | Intermittently |
Trouble Codes
| P1638 | TCM Internal - CAN 1 RAM Performance |
Message Closed w/FIX
Vehicle Data
2000 Chevrolet Corvette
| VIN | 1G1YY32GXY |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Code P1638 |
| Occurs | Intermittently |
Trouble Codes
| P1638 | TCM Internal - CAN 1 RAM Performance |
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