Posted on

C-10, C-12, C-15 and C-16 Industrial Engines – CID 0091 FMI 08 Throttle Position signal abnormal

Conditions Which Generate This Code:

The Electronic Control Module (ECM) detects an incorrect frequency on the throttle signal.

System Response:

The code is logged. The ECM flags the throttle position as invalid data and a default value of zero percent is used.

  • The engine speed is limited to low idle.

Test Step 1. Perform the following diagnostic procedure: Throttle Position Sensor Circuit – Test

Results:

  • OK – STOP