OBD Guide

P0785

Shift Timing Solenoid A

P0785 is an OBD-II diagnostic trouble code meaning: Shift Timing Solenoid A. Common causes: shift solenoid a malfunction, open or short circuit in solenoid circuit. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Incorrect gear shifting
  • Hard or abrupt shifts
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Increased fuel consumption

Causes

  • Shift Solenoid A Malfunction
  • Open or short circuit in solenoid circuit
  • Poor electrical connection
  • Low or contaminated transmission fluid
  • Transmission control module (TCM) problems

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check the solenoid circuit for opens and short circuits.
  3. Check solenoid electrical connections
  4. Replace faulty shift solenoid A
  5. If necessary, replace transmission fluid and filter

Related codes

Error P0785 by Vehicle Brand

FAQ

What does the P0785 code mean?

P0785 is an OBD-II diagnostic trouble code that indicates: Shift Timing Solenoid A

What causes a P0785 error code?

The most common causes of P0785 include: Shift Solenoid A Malfunction; Open or short circuit in solenoid circuit; Poor electrical connection; Low or contaminated transmission fluid.

How do I fix a P0785 diagnostic trouble code?

To fix P0785: Check the level and condition of the transmission fluid. Check the solenoid circuit for opens and short circuits.. Check solenoid electrical connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0785?

Limited driving only, diagnose soon

How much does it cost to fix P0785?

The estimated repair cost for P0785 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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