OBD Guide

P1749

Electronic Pressure Control Solenoid Failed Low Conditions

P1749 is an OBD-II diagnostic trouble code meaning: Electronic Pressure Control Solenoid Failed Low Conditions. Common causes: faulty pressure control solenoid, damaged or broken solenoid circuit. Estimated repair cost: $28–83.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–83 (est.)

Symptoms

  • Hard or slow gear shifting
  • The gearbox goes into emergency mode
  • The Check Engine light comes on
  • Reduced transmission efficiency
  • Jerks when shifting gears

Causes

  • Faulty pressure control solenoid
  • Damaged or broken solenoid circuit
  • Short circuit in wiring
  • Transmission control unit malfunction
  • Insufficient transmission fluid

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose resistance and continuity of the solenoid circuit
  3. Check wiring harness and connectors for damage
  4. Replace faulty pressure control solenoid
  5. If necessary, reset transmission adaptations

Related codes

Error P1749 by Vehicle Brand

FAQ

What does the P1749 code mean?

P1749 is an OBD-II diagnostic trouble code that indicates: Electronic Pressure Control Solenoid Failed Low Conditions

What causes a P1749 error code?

The most common causes of P1749 include: Faulty pressure control solenoid; Damaged or broken solenoid circuit; Short circuit in wiring; Transmission control unit malfunction.

How do I fix a P1749 diagnostic trouble code?

To fix P1749: Check the level and condition of the transmission fluid. Diagnose resistance and continuity of the solenoid circuit. Check wiring harness and connectors for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1749?

Yes, but get it checked soon

How much does it cost to fix P1749?

The estimated repair cost for P1749 is $28–83. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat