P0751

Tests 1 - 3:

Test 1:

SYMPTOM
P0751 - O/D SWITCH PRESSED (LO) MORE THAN 5 MINUTES

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 ground
- PCM wiring harness
- Overdrive OFF switch