Detroit DD13 GHG14 (2014-16) Fault Code: SPN 558 FMI 6 (CPC) Open Circuit; Idle Validation Switch 2 Circuit Failed High

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:
1. Idle Validation Switch harness.
2. Idle Validation Switch (Mounted on accelerator pedal).