ISB/ISBe Series Engines – FAULT CODE 768

Analog Torque Circuit Error


Overview

CODE REASON EFFECT
Fault Code: 768
PID: S009
SPN: 923
FMI: 11
LAMP: Yellow
SRT: 

Error detected in the analog torque transmission interface circuit.

The engine/transmission interface will possibly not function properly.

Analog Torque Circuit
SMALL | MEDIUM | LARGE

Circuit Description

The output device driver is a device used by the electronic control module (ECM) to control the transmission shift modulation signal.

Component Location

Use the OEM diagram for location of transmission shift modulator.

Shop Talk

Output device driver could be malfunctioning due to a failed engine harness, bad ground on transmission shift modulator connector, or a bad transmission shift modulator.

Refer to Troubleshooting Fault Code t05-768

Last Modified:  26-Oct-2010