Operation CHARM: Car repair manuals for everyone.

P0751

Tests 958 - 961:




SYMPTOM
P-0751 O/D SWITCH PRESSED (LO) MORE THAN 5 MIN

WHEN MONITORED
The engine must have been running for a minimum of 10 seconds. The test for this code is executed every 440 ms.

SET CONDITION
The overdrive off switch input is held low for 5 minutes or more from the time of closure or ignition on.

POSSIBLE CAUSES
- Overdrive off switch sense circuit shorted to gnd
- PCM wiring harness observable def
- Overdrive off switch def