Diagnostic Step-by-Step
Step 1 Investigate Related DTCs
Before troubleshooting this code, take notice of any other active or inactive DTCs.
One or multiple other DTCs could have been the cause for this DTC.
Step 2 Camshaft Sensor (F558) Checks
Step 3 Repair Verification
For further assistance in diagnosing this issue or for confirmation prior to the replacement of suspect components, contact the PACCAR Engine Support Call Center.
