OBD Guide
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P103A

Cylinder 2 Oil Supply Solenoid Valve Driver Short To Ground

P103A is an OBD-II diagnostic trouble code meaning: Cylinder 2 Oil Supply Solenoid Valve Driver Short To Ground. Common causes: short circuit in solenoid circuit, malfunction of the solenoid itself. 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 engine noise
  • Reduced engine power
  • Unstable operation at idle
  • Possible increase in oil consumption

Causes

  • Short circuit in solenoid circuit
  • Malfunction of the solenoid itself
  • Wiring harness damage
  • Problems with the engine control unit
  • Oxidation of contacts or poor connection

How to Fix

  1. Check the integrity of the wiring to the solenoid
  2. Check solenoid resistance
  3. Inspect connectors and contacts for corrosion
  4. If necessary, replace the solenoid
  5. Check the operation of the system after repair

Related codes

P103BP1039P1038

FAQ

What does the P103A code mean?

P103A is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Oil Supply Solenoid Valve Driver Short To Ground

What causes a P103A error code?

The most common causes of P103A include: Short circuit in solenoid circuit; Malfunction of the solenoid itself; Wiring harness damage; Problems with the engine control unit.

How do I fix a P103A diagnostic trouble code?

To fix P103A: Check the integrity of the wiring to the solenoid. Check solenoid resistance. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P103A?

Limited driving only, diagnose soon

How much does it cost to fix P103A?

The estimated repair cost for P103A is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat