Posted on by

Electronic Control System ISM and QSM11 Engines – FAULT CODE 537

Autoshift High Gear Actuator (Shift Solenoid)


Overview

CODE REASON EFFECT
Fault Code: 537
PID: S043
SPN: 717
FMI: 11/11
LAMP: Yellow
SRT: 

Either low voltage detected on autoshift high gear actuator circuit when (+) 12 VDC are commanded or voltage detected when no voltage is commanded.

Top 2 shift solenoid will not function properly. Transmission will not shift properly.
Top 2 Shift Solenoid Circuit
SMALL | MEDIUM | LARGE

Circuit Description

The autoshift high gear actuator is an ECM-driven solenoid that controls a Top 2 transmission.

Component Location

The autoshift high gear actuator is located on the topside of the transmission toward the back. Refer to an OEM diagram for the specific location.

Refer to Troubleshooting Fault Code t05-537

Last Modified:  02-Sep-2010
Avatar photo

Published by Jack

Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.