OBD Guide
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B1526

Keyless Entry Circuit Short To Ground

B1526 is an OBD-II diagnostic trouble code meaning: Keyless Entry Circuit Short To Ground. Common causes: wiring harness damage, short to ground in the circuit. Estimated repair cost: $56–167.

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

Symptoms

  • No response when pressing the keyless entry button
  • Problems starting the engine with a button
  • Flashing keyless entry system indicators

Causes

  • Wiring harness damage
  • Short to ground in the circuit
  • Malfunction of the keyless entry control unit
  • Contact corrosion
  • Damage to the keyless entry antenna

How to Fix

  1. Check the integrity of the keyless entry system wiring harness
  2. Eliminate short to ground in the circuit
  3. Check the condition of contacts and connectors
  4. Test the keyless entry control unit
  5. Replace damaged components if necessary

Related codes

B1525B1527B1528

FAQ

What does the B1526 code mean?

B1526 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Circuit Short To Ground

What causes a B1526 error code?

The most common causes of B1526 include: Wiring harness damage; Short to ground in the circuit; Malfunction of the keyless entry control unit; Contact corrosion.

How do I fix a B1526 diagnostic trouble code?

To fix B1526: Check the integrity of the keyless entry system wiring harness. Eliminate short to ground in the circuit. Check the condition of contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1526?

Limited driving only, diagnose soon

How much does it cost to fix B1526?

The estimated repair cost for B1526 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat