OBD Guide

P0787

Shift Timing Solenoid A Low

P0787 is an OBD-II diagnostic trouble code meaning: Shift Timing Solenoid A Low. Common causes: shift solenoid malfunction, open or short circuit in the circuit. 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
  • Switching to emergency mode of the gearbox
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Shift solenoid malfunction
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Transmission control module (TCM) malfunction
  • Low or contaminated transmission fluid

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check the integrity of the solenoid wiring and connectors
  3. Test solenoid resistance
  4. Check control circuit voltage
  5. Replace solenoid or TCM if necessary

Related codes

Error P0787 by Vehicle Brand

FAQ

What does the P0787 code mean?

P0787 is an OBD-II diagnostic trouble code that indicates: Shift Timing Solenoid A Low

What causes a P0787 error code?

The most common causes of P0787 include: Shift solenoid malfunction; Open or short circuit in the circuit; Poor contact in connectors; Transmission control module (TCM) malfunction.

How do I fix a P0787 diagnostic trouble code?

To fix P0787: Check the level and condition of the transmission fluid. Check the integrity of the solenoid wiring and connectors. Test solenoid resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0787?

Yes, but get it checked soon

How much does it cost to fix P0787?

The estimated repair cost for P0787 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat