OBD Guide

P2738

Pressure Control Solenoid F Control Circuit Low

P2738 is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid F Control Circuit Low. Common causes: faulty pressure control solenoid valve f, open or short circuit in the solenoid valve control circuit. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine light comes on
  • Gear shifting problems
  • Jerks when shifting gears
  • Reduced engine performance
  • The gearbox goes into emergency mode

Causes

  • Faulty pressure control solenoid valve F
  • Open or short circuit in the solenoid valve control circuit
  • Poor connection in solenoid valve connector
  • Engine control module (ECU) malfunction
  • Low or contaminated transmission fluid

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check solenoid valve F and its circuit for opens, shorts and damage.
  3. Check the solenoid valve connector for corrosion and damage.
  4. Check the solenoid valve resistance
  5. Replace solenoid valve F if faulty

Related codes

Error P2738 by Vehicle Brand

FAQ

What does the P2738 code mean?

P2738 is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid F Control Circuit Low

What causes a P2738 error code?

The most common causes of P2738 include: Faulty pressure control solenoid valve F; Open or short circuit in the solenoid valve control circuit; Poor connection in solenoid valve connector; Engine control module (ECU) malfunction.

How do I fix a P2738 diagnostic trouble code?

To fix P2738: Check the level and condition of the transmission fluid. Check solenoid valve F and its circuit for opens, shorts and damage.. Check the solenoid valve connector for corrosion and damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2738?

Yes, but get it checked soon

How much does it cost to fix P2738?

The estimated repair cost for P2738 is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat