OBD Guide
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B1C48

1st Row Passenger Retractor Tensioner Circuit High

B1C48 is an OBD-II diagnostic trouble code meaning: 1st Row Passenger Retractor Tensioner Circuit High. Common causes: open or shorted wiring harness, damaged contact in the connector. Estimated repair cost: $56–167.

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

Symptoms

  • SRS indicator is on
  • SRS is not active
  • The error is stored in memory

Causes

  • Open or shorted wiring harness
  • Damaged contact in the connector
  • Pretensioner malfunction
  • Problems with the SRS module

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect the contacts in the connectors
  3. Test pretensioner resistance
  4. If necessary, replace the pretensioner or SRS module

Related codes

B1C47B1C49B1C46

FAQ

What does the B1C48 code mean?

B1C48 is an OBD-II diagnostic trouble code that indicates: 1st Row Passenger Retractor Tensioner Circuit High

What causes a B1C48 error code?

The most common causes of B1C48 include: Open or shorted wiring harness; Damaged contact in the connector; Pretensioner malfunction; Problems with the SRS module.

How do I fix a B1C48 diagnostic trouble code?

To fix B1C48: Check the integrity of the wiring harness. Inspect the contacts in the connectors. Test pretensioner resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C48?

Limited driving only, diagnose soon

How much does it cost to fix B1C48?

The estimated repair cost for B1C48 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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