OBD Guide
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B197A

Power Liftgate Latch Release Sector Switch Performance

B197A is an OBD-II diagnostic trouble code meaning: Power Liftgate Latch Release Sector Switch Performance. Common causes: malfunction of the lock mechanism switch, broken or damaged wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • The back door does not open automatically
  • Problems closing the rear door
  • Door indicator flashing on dashboard
  • An alarm is triggered when an attempt is made to open the door.

Causes

  • Malfunction of the lock mechanism switch
  • Broken or damaged wiring harness
  • Contact corrosion
  • Problems with the rear door control unit
  • Mechanical failure of the lock mechanism

How to Fix

  1. Check the integrity of the wiring harness
  2. Diagnose the operation of the lock mechanism switch
  3. Clean or replace corroded contacts
  4. Replace the lock mechanism switch if necessary
  5. Check the operation of the rear door control unit

Related codes

B197BB197CB197D

FAQ

What does the B197A code mean?

B197A is an OBD-II diagnostic trouble code that indicates: Power Liftgate Latch Release Sector Switch Performance

What causes a B197A error code?

The most common causes of B197A include: Malfunction of the lock mechanism switch; Broken or damaged wiring harness; Contact corrosion; Problems with the rear door control unit.

How do I fix a B197A diagnostic trouble code?

To fix B197A: Check the integrity of the wiring harness. Diagnose the operation of the lock mechanism switch. Clean or replace corroded contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B197A?

Limited driving only, diagnose soon

How much does it cost to fix B197A?

The estimated repair cost for B197A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat