Detroit DD16 GHG14 (2014-16) Fault Code: SPN 91 FMI 8 (CPC) 2-Channel Accelerator Pedal Signal 1 Missing

DESCRIPTION:
Channel 1 sensor signal failed (High or low).

MONITORED PARAMETER:
Gas 1

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 seconds

DASH LAMPS:
CEL

ENGINE REACTION:
None

VERIFICATION:
Key Cycle: ignition on.

PROBABLE CAUSES:
1. Accelerator pedal assembly.
2. Accelerator pedal harness/connector.