OBD Guide
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C1ABC

Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete

C1ABC is an OBD-II diagnostic trouble code meaning: Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete. Common causes: software failure in the blind spot monitoring module, damage to the wiring harness to the module. Estimated repair cost: $56–167.

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

Symptoms

  • Blind spot monitoring system not working
  • False warnings about objects in blind spots
  • Error message on the dashboard

Causes

  • Software failure in the blind spot monitoring module
  • Damage to the wiring harness to the module
  • Blind Spot Monitor Slave Module Malfunction
  • Module power problems

How to Fix

  1. Check wiring harness for damage
  2. Check the power supply and ground of the module
  3. Reset the error using a diagnostic scanner
  4. If necessary, replace the blind spot monitoring slave module

Related codes

C1ABAC1ABDC1ABE

FAQ

What does the C1ABC code mean?

C1ABC is an OBD-II diagnostic trouble code that indicates: Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete

What causes a C1ABC error code?

The most common causes of C1ABC include: Software failure in the blind spot monitoring module; Damage to the wiring harness to the module; Blind Spot Monitor Slave Module Malfunction; Module power problems.

How do I fix a C1ABC diagnostic trouble code?

To fix C1ABC: Check wiring harness for damage. Check the power supply and ground of the module. Reset the error using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1ABC?

Limited driving only, diagnose soon

How much does it cost to fix C1ABC?

The estimated repair cost for C1ABC is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat