OBD Guide
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P1789

3-2 Timing/Coast Clutch Solenoid Circuit Shorted Conditions

P1789 is an OBD-II diagnostic trouble code meaning: 3-2 Timing/Coast Clutch Solenoid Circuit Shorted Conditions. Common causes: short circuit in solenoid circuit, clutch solenoid malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can 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

  1. Check the integrity of the wiring to the solenoid
  2. Test solenoid resistance
  3. Check voltage at solenoid connectors
  4. Replace faulty solenoid if necessary
  5. Reset the error and check the operation of the gearbox

Related codes

P1788P1790P1791

Error P1789 by Vehicle Brand

FordJaguarLincolnMazdaMercuryNissanVolkswagen

FAQ

What does the P1789 code mean?

P1789 is an OBD-II diagnostic trouble code that indicates: 3-2 Timing/Coast Clutch Solenoid Circuit Shorted Conditions

What causes a P1789 error code?

The most common causes of P1789 include: Short circuit in solenoid circuit; Clutch solenoid malfunction; Wiring harness damage; Transmission control module (TCM) problems.

How do I fix a P1789 diagnostic trouble code?

To fix P1789: Check the integrity of the wiring to the solenoid. Test solenoid resistance. Check voltage at solenoid connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1789?

Yes, but get it checked soon

How much does it cost to fix P1789?

The estimated repair cost for P1789 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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