OBD Guide

P26DF

Sensor Power Supply D Circuit/Open

P26DF is an OBD-II diagnostic trouble code meaning: Sensor Power Supply D Circuit/Open. Common causes: broken wires in the power supply circuit of sensor d, poor contact in the sensor connector. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Incorrect operation of the system associated with sensor D
  • Reduced engine power
  • Increased fuel consumption
  • Possible misfires

Causes

  • Broken wires in the power supply circuit of sensor D
  • Poor contact in the sensor connector
  • Malfunction of the sensor D itself
  • Problems with the relay or power fuse
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wires in the power supply circuit of sensor D
  2. Inspect and clean the contacts in the sensor connector
  3. Check the functionality of sensor D
  4. Make sure relays and fuses are working properly
  5. If necessary, replace the sensor or wiring harness

Related codes

Error P26DF by Vehicle Brand

FAQ

What does the P26DF code mean?

P26DF is an OBD-II diagnostic trouble code that indicates: Sensor Power Supply D Circuit/Open

What causes a P26DF error code?

The most common causes of P26DF include: Broken wires in the power supply circuit of sensor D; Poor contact in the sensor connector; Malfunction of the sensor D itself; Problems with the relay or power fuse.

How do I fix a P26DF diagnostic trouble code?

To fix P26DF: Check the integrity of the wires in the power supply circuit of sensor D. Inspect and clean the contacts in the sensor connector. Check the functionality of sensor D. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P26DF?

Yes, but get it checked soon

How much does it cost to fix P26DF?

The estimated repair cost for P26DF is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat