OBD Guide

P104A

Cylinder 3 Oil Supply Solenoid Valve Overcurrent

P104A is an OBD-II diagnostic trouble code meaning: Cylinder 3 Oil Supply Solenoid Valve Overcurrent. Common causes: short circuit in solenoid circuit, oil supply solenoid valve malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Possible noise from the engine due to insufficient lubrication
  • Reduced engine power
  • Unstable engine idling
  • In some cases - misfire in cylinder 3

Causes

  • Short circuit in solenoid circuit
  • Oil supply solenoid valve malfunction
  • Wiring harness damage
  • Problems with the engine control unit
  • Corrosion of contacts or connectors

How to Fix

  1. Check the resistance of the oil supply solenoid
  2. Inspect the wiring harness and connectors for damage.
  3. Check control circuit for short circuit or open circuit
  4. Replace oil supply solenoid if necessary
  5. Reset the error code and check if it returns

Related codes

FAQ

What does the P104A code mean?

P104A is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Oil Supply Solenoid Valve Overcurrent

What causes a P104A error code?

The most common causes of P104A include: Short circuit in solenoid circuit; Oil supply solenoid valve malfunction; Wiring harness damage; Problems with the engine control unit.

How do I fix a P104A diagnostic trouble code?

To fix P104A: Check the resistance of the oil supply solenoid. Inspect the wiring harness and connectors for damage.. Check control circuit for short circuit or open circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P104A?

Limited driving only, diagnose soon

How much does it cost to fix P104A?

The estimated repair cost for P104A is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat