OBD Guide
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B1A76

Remote Start Antenna Circuit High

B1A76 is an OBD-II diagnostic trouble code meaning: Remote Start Antenna Circuit High. Common causes: broken or damaged antenna wiring harness, oxidation or poor contact in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Remote engine start does not work
  • Reduced range of the key fob
  • Error indication on the dashboard

Causes

  • Broken or damaged antenna wiring harness
  • Oxidation or poor contact in connectors
  • Remote start antenna malfunction
  • Problems with the Remote Start Module (RSM)

How to Fix

  1. Check the integrity of the wiring harness and antenna contacts
  2. Clean contacts from oxides and corrosion
  3. Check antenna impedance (must be within specification)
  4. If necessary, replace the antenna or RSM module

Related codes

B1A75B1A77B1A78

FAQ

What does the B1A76 code mean?

B1A76 is an OBD-II diagnostic trouble code that indicates: Remote Start Antenna Circuit High

What causes a B1A76 error code?

The most common causes of B1A76 include: Broken or damaged antenna wiring harness; Oxidation or poor contact in connectors; Remote start antenna malfunction; Problems with the Remote Start Module (RSM).

How do I fix a B1A76 diagnostic trouble code?

To fix B1A76: Check the integrity of the wiring harness and antenna contacts. Clean contacts from oxides and corrosion. Check antenna impedance (must be within specification). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1A76?

Yes, but get it checked soon

How much does it cost to fix B1A76?

The estimated repair cost for B1A76 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat