OBD Guide

P1D61

Internal Controller Power Supply Failure

P1D61 is an OBD-II diagnostic trouble code meaning: Internal Controller Power Supply Failure. Common causes: malfunction of internal power supply circuits of the ecu, problems with on-board voltage. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • The engine stalls or does not start
  • Unstable engine operation
  • Power Loss
  • Check Engine light comes on
  • Malfunctions of the car's electronic systems

Causes

  • Malfunction of internal power supply circuits of the ECU
  • Problems with on-board voltage
  • Malfunction of voltage regulators in the computer
  • Short circuit in wiring harness
  • Damage to the ECU (mechanical or overheating)

How to Fix

  1. Check the on-board voltage
  2. Inspect the wiring harness to the ECU for damage.
  3. Check the ECU connector contacts
  4. Test the ECU on a bench
  5. Replace the ECU if necessary

Related codes

FAQ

What does the P1D61 code mean?

P1D61 is an OBD-II diagnostic trouble code that indicates: Internal Controller Power Supply Failure

What causes a P1D61 error code?

The most common causes of P1D61 include: Malfunction of internal power supply circuits of the ECU; Problems with on-board voltage; Malfunction of voltage regulators in the computer; Short circuit in wiring harness.

How do I fix a P1D61 diagnostic trouble code?

To fix P1D61: Check the on-board voltage. Inspect the wiring harness to the ECU for damage.. Check the ECU connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1D61?

Do not drive — repair immediately

How much does it cost to fix P1D61?

The estimated repair cost for P1D61 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat