OBD Guide

P26E1

Sensor Power Supply D Circuit High

P26E1 is an OBD-II diagnostic trouble code meaning: Sensor Power Supply D Circuit High. Common causes: short circuit in the power supply circuit of sensor d, faulty relay or fuse. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Problems starting the engine
  • Reduced engine power
  • Errors in the operation of other sensors

Causes

  • Short circuit in the power supply circuit of sensor D
  • Faulty relay or fuse
  • Wiring Harness Problems
  • Engine control unit (ECU) malfunction
  • Damage to sensor D

How to Fix

  1. Check the integrity of fuses and relays
  2. Inspect the wiring harness for damage
  3. Check the voltage in the power supply circuit of sensor D
  4. Replace sensor D if necessary
  5. Check and, if necessary, replace the engine control unit (ECU)

Related codes

Error P26E1 by Vehicle Brand

FAQ

What does the P26E1 code mean?

P26E1 is an OBD-II diagnostic trouble code that indicates: Sensor Power Supply D Circuit High

What causes a P26E1 error code?

The most common causes of P26E1 include: Short circuit in the power supply circuit of sensor D; Faulty relay or fuse; Wiring Harness Problems; Engine control unit (ECU) malfunction.

How do I fix a P26E1 diagnostic trouble code?

To fix P26E1: Check the integrity of fuses and relays. Inspect the wiring harness for damage. Check the voltage in the power supply circuit of sensor D. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P26E1?

Yes, but get it checked soon

How much does it cost to fix P26E1?

The estimated repair cost for P26E1 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat