OBD Guide

P10E3

Valvetronic Relay Supply Voltage Circuit Low

P10E3 is an OBD-II diagnostic trouble code meaning: Valvetronic Relay Supply Voltage Circuit Low. Common causes: faulty valvetronic relay, open or short circuit in the power supply. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Problems starting the engine

Causes

  • Faulty Valvetronic relay
  • Open or short circuit in the power supply
  • Poor contact in connectors
  • Problems with the engine control unit
  • Valvetronic system malfunction

How to Fix

  1. Check the condition of the Valvetronic relay
  2. Inspect the power circuit for damage
  3. Check contacts in connectors
  4. Test the engine control unit
  5. Check the operation of the Valvetronic system

Related codes

FAQ

What does the P10E3 code mean?

P10E3 is an OBD-II diagnostic trouble code that indicates: Valvetronic Relay Supply Voltage Circuit Low

What causes a P10E3 error code?

The most common causes of P10E3 include: Faulty Valvetronic relay; Open or short circuit in the power supply; Poor contact in connectors; Problems with the engine control unit.

How do I fix a P10E3 diagnostic trouble code?

To fix P10E3: Check the condition of the Valvetronic relay. Inspect the power circuit for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P10E3?

Yes, but get it checked soon

How much does it cost to fix P10E3?

The estimated repair cost for P10E3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat