OBD Guide
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C1AAE

Forward Recognition with Heater Hood Circuit

C1AAE is an OBD-II diagnostic trouble code meaning: Forward Recognition with Heater Hood Circuit. Common causes: open or short circuit in the heating circuit, heating element malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • The recognition system may not work correctly
  • The hood heating does not function

Causes

  • Open or short circuit in the heating circuit
  • Heating element malfunction
  • Wiring harness damage
  • Problems with the control module

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the resistance of the heating element
  3. Check fuses and relays
  4. Scan the control unit for additional errors
  5. Replace faulty components

Related codes

C1AAFC1AABC1AAC

FAQ

What does the C1AAE code mean?

C1AAE is an OBD-II diagnostic trouble code that indicates: Forward Recognition with Heater Hood Circuit

What causes a C1AAE error code?

The most common causes of C1AAE include: Open or short circuit in the heating circuit; Heating element malfunction; Wiring harness damage; Problems with the control module.

How do I fix a C1AAE diagnostic trouble code?

To fix C1AAE: Check the integrity of the wiring harness. Check the resistance of the heating element. Check fuses and relays. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1AAE?

Limited driving only, diagnose soon

How much does it cost to fix C1AAE?

The estimated repair cost for C1AAE is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat