P1789
3-2 Timing/Coast Clutch Solenoid Circuit Shorted Conditions
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Incorrect gear shifting
- Switching delays
- Gaps in dynamics
- Check Engine light comes on
- The gearbox goes into emergency mode
Causes
- Short circuit in solenoid circuit
- Clutch solenoid malfunction
- Wiring harness damage
- Transmission control module (TCM) problems
- Poor contact in connectors
How to Fix
- Check the integrity of the wiring to the solenoid
- Test solenoid resistance
- Check voltage at solenoid connectors
- Replace faulty solenoid if necessary
- Reset the error and check the operation of the gearbox