OBD Guide
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B2276

ACCR Signal Circuit Malfunction

B2276 is an OBD-II diagnostic trouble code meaning: ACCR Signal Circuit Malfunction. Common causes: open or short circuit in wiring harness, malfunction of the interior temperature sensor. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of climate control
  • The climate control system does not respond to changes in settings
  • Constant fan operation at one speed

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the interior temperature sensor
  • Problems with the climate control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the wiring harness for damage
  2. Check the interior temperature sensor
  3. Diagnose the climate control control unit
  4. Clean or replace connectors if necessary

Related codes

B2275B2277B2280

FAQ

What does the B2276 code mean?

B2276 is an OBD-II diagnostic trouble code that indicates: ACCR Signal Circuit Malfunction

What causes a B2276 error code?

The most common causes of B2276 include: Open or short circuit in wiring harness; Malfunction of the interior temperature sensor; Problems with the climate control unit; Corrosion or poor contact in connectors.

How do I fix a B2276 diagnostic trouble code?

To fix B2276: Check the wiring harness for damage. Check the interior temperature sensor. Diagnose the climate control control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2276?

Limited driving only, diagnose soon

How much does it cost to fix B2276?

The estimated repair cost for B2276 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat