OBD Guide
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P1D5E

Power Supply 1 Circuit Fault

P1D5E is an OBD-II diagnostic trouble code meaning: Power Supply 1 Circuit Fault. Common causes: broken wire in the power circuit, short circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Unstable engine operation
  • Check Engine Light Illuminates
  • Problems starting the engine
  • Failure of individual vehicle systems
  • Spontaneous shutdown of electronics

Causes

  • Broken wire in the power circuit
  • Short circuit
  • Power relay fault
  • Fuse problems
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the fuses
  2. Diagnose the state of the power relay
  3. Check wiring integrity
  4. Clean and check contacts
  5. Check the voltage in the power circuit

Related codes

P1D5FP1D5DP0562

FAQ

What does the P1D5E code mean?

P1D5E is an OBD-II diagnostic trouble code that indicates: Power Supply 1 Circuit Fault

What causes a P1D5E error code?

The most common causes of P1D5E include: Broken wire in the power circuit; Short circuit; Power relay fault; Fuse problems.

How do I fix a P1D5E diagnostic trouble code?

To fix P1D5E: Check the integrity of the fuses. Diagnose the state of the power relay. Check wiring integrity. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1D5E?

Limited driving only, diagnose soon

How much does it cost to fix P1D5E?

The estimated repair cost for P1D5E is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat