P0601 Diagnostic Trouble Code Discussion for July 2015
Control Module Read Only Memory
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| Help Request | Posted | |
| 1999 Cadillac Seville STS 4.6L idles at 2000rpm VIN: 1G6KY5499X P0601: resets as soon as it is cleared. supposedly when the pcm is replaced car runs fine for a couple days then high idle starts happening. we blocked off the air intake and the engine stalled so no vac leaks present. We can't get the IAC to respond and it is stuck at 157 never moves. tps is at .73... |
July 08, 2015 |
