OBD Guide
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B295A

Left Blend Door Potentiometer Feedback Circuit Open

B295A is an OBD-II diagnostic trouble code meaning: Left Blend Door Potentiometer Feedback Circuit Open. Common causes: broken wires in the harness, poor contact in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to regulate the temperature in the left zone of the cabin
  • Constant supply of only hot or only cold air from the left side
  • Error indication on the climate control display

Causes

  • Broken wires in the harness
  • Poor contact in connectors
  • Damper potentiometer malfunction
  • Problems with the climate control unit
  • Mechanical damage to the damper drive

How to Fix

  1. Check the integrity of the wiring harness to the damper actuator
  2. Inspect and clean connector contacts
  3. Check potentiometer resistance
  4. Test the feedback signal when the damper is operating
  5. If necessary, replace the mixer damper drive
  6. Reset the error and calibrate the system

Related codes

B295BB296AB296B

FAQ

What does the B295A code mean?

B295A is an OBD-II diagnostic trouble code that indicates: Left Blend Door Potentiometer Feedback Circuit Open

What causes a B295A error code?

The most common causes of B295A include: Broken wires in the harness; Poor contact in connectors; Damper potentiometer malfunction; Problems with the climate control unit.

How do I fix a B295A diagnostic trouble code?

To fix B295A: Check the integrity of the wiring harness to the damper actuator. Inspect and clean connector contacts. Check potentiometer resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B295A?

Yes, but get it checked soon

How much does it cost to fix B295A?

The estimated repair cost for B295A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat