OBD Guide
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B2211

Low Coolant Lamp Output Circuit Short To Battery

B2211 is an OBD-II diagnostic trouble code meaning: Low Coolant Lamp Output Circuit Short To Battery. Common causes: short circuit in wiring harness, warning lamp fault. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Constant low coolant level light
  • Incorrect coolant level readings
  • Low battery

Causes

  • Short circuit in wiring harness
  • Warning lamp fault
  • Problems with the control module
  • Wiring damage

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the indicator lamp for short circuit
  3. Diagnose the control module
  4. Replace damaged components

Related codes

B2212B2213P0128

FAQ

What does the B2211 code mean?

B2211 is an OBD-II diagnostic trouble code that indicates: Low Coolant Lamp Output Circuit Short To Battery

What causes a B2211 error code?

The most common causes of B2211 include: Short circuit in wiring harness; Warning lamp fault; Problems with the control module; Wiring damage.

How do I fix a B2211 diagnostic trouble code?

To fix B2211: Check the integrity of the wiring harness. Check the indicator lamp for short circuit. Diagnose the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2211?

Limited driving only, diagnose soon

How much does it cost to fix B2211?

The estimated repair cost for B2211 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat