FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Engine Overspeed

Symptom:
ENGINE OVERSPEED


When Monitored and Set Condition

When Monitored: Valid Engine RPM message received at least once, the CAN Bus Circuit and Engine CAN Message Missing are not active.

Set Condition: If the engine speed increases above 5100 RPM.

POSSIBLE CAUSES
- ENGINE - MECHANICAL PROBLEM
- TRANSMISSION - MECHANICAL PROBLEM
- ECM - ENGINE OVERSPEED
- TCM - ENGINE OVERSPEED

Test 1 - Test 2:




Test 3 - Test 5: