Downhill speed control
â–¶ How to fix
Check the downhill speed control switch, including cable harness and connectors.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The voltage in the downhill speed control switch has been below the permitted level.
Possible cause
The fault may be due to: Short circuit to ground. Faulty downhill speed control switch.