OBD Guide
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C1835

Current Sense Circuit Failure

C1835 is an OBD-II diagnostic trouble code meaning: Current Sense Circuit Failure. Common causes: open or short circuit in the current measurement circuit, squib malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • Restraint system inactive
  • Error persists after reset

Causes

  • Open or short circuit in the current measurement circuit
  • Squib malfunction
  • Problems with wiring harness (harness)
  • Malfunction of the airbag control unit
  • Contact corrosion

How to Fix

  1. Check the integrity of the passive restraint system wiring harness
  2. Check the resistance of the squibs
  3. Inspect contacts for corrosion or damage
  4. Check the airbag control unit
  5. Replace damaged components

Related codes

B0100B0101B0130

FAQ

What does the C1835 code mean?

C1835 is an OBD-II diagnostic trouble code that indicates: Current Sense Circuit Failure

What causes a C1835 error code?

The most common causes of C1835 include: Open or short circuit in the current measurement circuit; Squib malfunction; Problems with wiring harness (harness); Malfunction of the airbag control unit.

How do I fix a C1835 diagnostic trouble code?

To fix C1835: Check the integrity of the passive restraint system wiring harness. Check the resistance of the squibs. Inspect contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1835?

Limited driving only, diagnose soon

How much does it cost to fix C1835?

The estimated repair cost for C1835 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat