OBD Guide
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B272D

Passenger Differential Temperature Fault

B272D is an OBD-II diagnostic trouble code meaning: Passenger Differential Temperature Fault. Common causes: passenger area temperature sensor malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Incorrect operation of climate control
  • Incorrect display of temperature in the passenger area
  • Automatic climate control mode is unstable

Causes

  • Passenger area temperature sensor malfunction
  • Damage to the wiring harness to the sensor
  • Problems with the climate control unit
  • Poor contact in the sensor connector

How to Fix

  1. Check passenger area temperature sensor
  2. Check the wiring harness for damage
  3. Check connectors and contacts
  4. Replace faulty sensor
  5. Flash or replace the climate control control unit (if necessary)

Related codes

B272EB272F

FAQ

What does the B272D code mean?

B272D is an OBD-II diagnostic trouble code that indicates: Passenger Differential Temperature Fault

What causes a B272D error code?

The most common causes of B272D include: Passenger area temperature sensor malfunction; Damage to the wiring harness to the sensor; Problems with the climate control unit; Poor contact in the sensor connector.

How do I fix a B272D diagnostic trouble code?

To fix B272D: Check passenger area temperature sensor. Check the wiring harness for damage. Check connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B272D?

Yes, but get it checked soon

How much does it cost to fix B272D?

The estimated repair cost for B272D is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat