OBD Guide

P1057

Valvetronic Supply Voltage Control Motor Electrical

P1057 is an OBD-II diagnostic trouble code meaning: Valvetronic Supply Voltage Control Motor Electrical. Common causes: open or short circuit in the valvetronic motor circuit, valvetronic motor malfunction. Estimated repair cost: $167–444.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–444 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration in acceleration dynamics
  • Unstable operation at idle
  • Increased fuel consumption
  • Reduced engine power

Causes

  • Open or short circuit in the Valvetronic motor circuit
  • Valvetronic motor malfunction
  • Problems with the engine control unit
  • Oxidation of contacts in system connectors
  • Mechanical damage to wiring

How to Fix

  1. Check the integrity of the wiring and connectors of the Valvetronic system
  2. Measure the resistance of the Valvetronic motor
  3. Check voltage at motor connectors
  4. Scan the control unit for other errors
  5. If necessary, replace the Valvetronic motor

Related codes

FAQ

What does the P1057 code mean?

P1057 is an OBD-II diagnostic trouble code that indicates: Valvetronic Supply Voltage Control Motor Electrical

What causes a P1057 error code?

The most common causes of P1057 include: Open or short circuit in the Valvetronic motor circuit; Valvetronic motor malfunction; Problems with the engine control unit; Oxidation of contacts in system connectors.

How do I fix a P1057 diagnostic trouble code?

To fix P1057: Check the integrity of the wiring and connectors of the Valvetronic system. Measure the resistance of the Valvetronic motor. Check voltage at motor connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1057?

Yes, but get it checked soon

How much does it cost to fix P1057?

The estimated repair cost for P1057 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat