OBD Guide
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B2446

RESCU/VEMS Input Circuit Open

B2446 is an OBD-II diagnostic trouble code meaning: RESCU/VEMS Input Circuit Open. Common causes: broken or damaged wiring harness, oxidation of contacts in connectors. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The passive safety system fault indicator is on
  • The passive safety system does not activate in the event of an accident
  • Error B2446 is stored in the ECU memory

Causes

  • Broken or damaged wiring harness
  • Oxidation of contacts in connectors
  • RESCU/VEMS module malfunction
  • Problems with power or grounding of the circuit

How to Fix

  1. Check the integrity of the RESCU/VEMS system wiring harness
  2. Inspect and clean the contacts in the connectors
  3. Check circuit power and grounding
  4. If necessary, replace the RESCU/VEMS module

Related codes

B2445B2447B1000

FAQ

What does the B2446 code mean?

B2446 is an OBD-II diagnostic trouble code that indicates: RESCU/VEMS Input Circuit Open

What causes a B2446 error code?

The most common causes of B2446 include: Broken or damaged wiring harness; Oxidation of contacts in connectors; RESCU/VEMS module malfunction; Problems with power or grounding of the circuit.

How do I fix a B2446 diagnostic trouble code?

To fix B2446: Check the integrity of the RESCU/VEMS system wiring harness. Inspect and clean the contacts in the connectors. Check circuit power and grounding. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2446?

Do not drive — repair immediately

How much does it cost to fix B2446?

The estimated repair cost for B2446 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat