NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. If any engine ECM has been recently programmed, ensure the parameters are correct.2. Turn key off, wait 5 minutes, turn back on. If code doesn’t go active, clear code and release truck to customer.3. Follow 625-9 for troubleshooting.

NOTE: Reprogram MCM with the latest software release. NOTE: This fault may be caused by an external fuel source or torque out-of-bounds. Check injectors, alternative fuel sources or add on devices that may be requesting torque modifications. PROBABLE CAUSES:1. Check for failed cylinders/injector.2. Reprogram the MCM with the latest version.

NOTE: Please see the step by step troubleshooting procedures for this specific code. NOTE: Reprogram the ECM with the latest version.

POSSIBLE CAUSES:1. External fuel source.2. Torque out of bounds.3. Alternative fuel sources.4. Add on devices, that are requesting torque modifications. NOTE: Please see the step by step troubleshooting procedures for this specific code. NOTE: This fault is caused by an external fuel source or torque out-of-bounds. Check injectors, alternative fuel sources, or add-on devices that may be requesting torque modifications. PROBABLE CAUSES:1. Check for failed cylinders/injector.2. Reprogram the MCM with the latest version.

NOTE: The common powertrain controller (CPC) digital outputs have the same SPN as some motor control module (MCM) faults. This fault usually occurs after reprogramming the CPC or MCM. The internal clocks of the CPC or MCM. The internal clocks of the CPC or MCM do not match. After reprogramming either module, all fault codes must be cleared. NOTE: This fault usually occurs after reprogramming the CPC4 or MCM2.1.