OBD Guide
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B1967

A/C Post Heater Sensor Circuit Short To Ground

B1967 is an OBD-II diagnostic trouble code meaning: A/C Post Heater Sensor Circuit Short To Ground. Common causes: wiring harness damage, heater sensor malfunction. 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 the climate control system
  • Lack of air heating after the evaporator
  • Check Engine light comes on

Causes

  • Wiring harness damage
  • Heater sensor malfunction
  • Problems in the climate control control unit
  • Short circuit to ground

How to Fix

  1. Check wiring harness for damage
  2. Check the heater sensor for serviceability
  3. Check the climate control control unit
  4. Repair short circuit to ground

Related codes

B1968B1969B1970

FAQ

What does the B1967 code mean?

B1967 is an OBD-II diagnostic trouble code that indicates: A/C Post Heater Sensor Circuit Short To Ground

What causes a B1967 error code?

The most common causes of B1967 include: Wiring harness damage; Heater sensor malfunction; Problems in the climate control control unit; Short circuit to ground.

How do I fix a B1967 diagnostic trouble code?

To fix B1967: Check wiring harness for damage. Check the heater sensor for serviceability. Check the climate control control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1967?

Limited driving only, diagnose soon

How much does it cost to fix B1967?

The estimated repair cost for B1967 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat