OBD Guide

B295F

Mode Door Potentiometer Feedback Short to Ground

B295F is an OBD-II diagnostic trouble code meaning: Mode Door Potentiometer Feedback Short to Ground. Common causes: short circuit in sensor wiring harness, oxidation of potentiometer contacts. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Inadequate ventilation (wrong direction of air flow)
  • The flaps remain in one position
  • Clicking or grinding noises when switching modes
  • Flashing climate control light

Causes

  • Short circuit in sensor wiring harness
  • Oxidation of potentiometer contacts
  • Mechanical wear of the position sensor
  • Damage to the climate control unit

How to Fix

  1. Check the integrity of the wiring harness to the position sensor
  2. Clean the potentiometer contacts
  3. Check the sensor resistance (the value is indicated in the service documentation)
  4. Replace the damper position sensor if the parameters do not match
  5. Check the operation of the system after repair

Related codes

FAQ

What does the B295F code mean?

B295F is an OBD-II diagnostic trouble code that indicates: Mode Door Potentiometer Feedback Short to Ground

What causes a B295F error code?

The most common causes of B295F include: Short circuit in sensor wiring harness; Oxidation of potentiometer contacts; Mechanical wear of the position sensor; Damage to the climate control unit.

How do I fix a B295F diagnostic trouble code?

To fix B295F: Check the integrity of the wiring harness to the position sensor. Clean the potentiometer contacts. Check the sensor resistance (the value is indicated in the service documentation). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B295F?

Limited driving only, diagnose soon

How much does it cost to fix B295F?

The estimated repair cost for B295F is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat