P1633 Diagnostic Trouble Code Discussion for March 2010
TCM Internal - Test External Watchdog Performance
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| Help Request | Posted | |
| 2000 Mercury Cougar V6 2.5L MIL Lamp on VIN: 1ZWHT61LOY P1633: keep alive power voltage too low. ... before.Car come in for smog inspection fail code P1633 keep alive power voltage too low.But MIL Off not on,any techs had done it or how to trick it please rely to me , thank you so much, by myself i have seen this code before, thank you again. |
March 29, 2010 |
