OBD Guide
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P1046

Cylinder 1 Oil Supply Solenoid Valve Overcurrent

P1046 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Oil Supply Solenoid Valve Overcurrent. Common causes: short circuit in solenoid circuit, faulty oil supply solenoid. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Reduced engine power
  • Increased fuel consumption
  • Noises in the timing belt area

Causes

  • Short circuit in solenoid circuit
  • Faulty oil supply solenoid
  • Wiring harness damage
  • Problems with the engine control unit (ECU)
  • Dirty or clogged solenoid

How to Fix

  1. Check the solenoid circuit for a short circuit.
  2. Replace faulty oil supply solenoid
  3. Inspect and, if necessary, replace the wiring harness
  4. Clean or replace clogged solenoid
  5. Check the operation of the engine control unit

Related codes

P1047P1048P1049

FAQ

What does the P1046 code mean?

P1046 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Oil Supply Solenoid Valve Overcurrent

What causes a P1046 error code?

The most common causes of P1046 include: Short circuit in solenoid circuit; Faulty oil supply solenoid; Wiring harness damage; Problems with the engine control unit (ECU).

How do I fix a P1046 diagnostic trouble code?

To fix P1046: Check the solenoid circuit for a short circuit.. Replace faulty oil supply solenoid. Inspect and, if necessary, replace the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1046?

Yes, but get it checked soon

How much does it cost to fix P1046?

The estimated repair cost for P1046 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat