Diesel Data: Automotive Repair

Speedometer Does Not Work (A/T)




Speedometer does not work

F-CAN communication line error

Gauge control module defective

PCM defective

Output shaft (countershaft) speed sensor defective

Notes

Check the F-CAN communication line F-CAN Circuit Troubleshooting.

Notes

Check the F-CAN communication line by using the gauge control module self-diagnostic function Initial Inspection and Diagnostic Overview.

Notes

Check the speedometer drive circuit in the gauge control module using the HDS Initial Inspection and Diagnostic Overview.

Notes

Check the speed sensor installation.

Notes

Inspect the output shaft (countershaft) speed sensor O-ring for wear and damage.