OBD Guide

B212E

Ignition Run/Acc Control-Circuit Short To Battery Or Open

B212E is an OBD-II diagnostic trouble code meaning: Ignition Run/Acc Control-Circuit Short To Battery Or Open. Common causes: open or short circuit in wiring harness, solenoid malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation
  • Misfires
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Open or short circuit in wiring harness
  • Solenoid malfunction
  • Problems with the ECU
  • Contact corrosion

How to Fix

  1. Check wiring harness for damage
  2. Check the solenoid for functionality
  3. Check contacts for corrosion
  4. If necessary, replace faulty components

Related codes

FAQ

What does the B212E code mean?

B212E is an OBD-II diagnostic trouble code that indicates: Ignition Run/Acc Control-Circuit Short To Battery Or Open

What causes a B212E error code?

The most common causes of B212E include: Open or short circuit in wiring harness; Solenoid malfunction; Problems with the ECU; Contact corrosion.

How do I fix a B212E diagnostic trouble code?

To fix B212E: Check wiring harness for damage. Check the solenoid for functionality. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B212E?

Limited driving only, diagnose soon

How much does it cost to fix B212E?

The estimated repair cost for B212E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat