OBD Guide
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B2153

Rear Echo Sensor Circuit Failure

B2153 is an OBD-II diagnostic trouble code meaning: Rear Echo Sensor Circuit Failure. Common causes: broken or damaged wires in the sensor circuit, poor contact in sensor 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 system does not respond to rear impacts
  • Error B2153 is stored in the ECU memory

Causes

  • Broken or damaged wires in the sensor circuit
  • Poor contact in sensor connectors
  • The echo sensor itself is faulty
  • Problems with the restraint system ECU

How to Fix

  1. Check the integrity of the wiring harness and sensor connectors
  2. Clean connector contacts or replace damaged wires
  3. Check sensor resistance (compare with nominal value)
  4. Replace the echo sensor if necessary
  5. Reset the error and check if it returns

Related codes

B2152B2154B1000

FAQ

What does the B2153 code mean?

B2153 is an OBD-II diagnostic trouble code that indicates: Rear Echo Sensor Circuit Failure

What causes a B2153 error code?

The most common causes of B2153 include: Broken or damaged wires in the sensor circuit; Poor contact in sensor connectors; The echo sensor itself is faulty; Problems with the restraint system ECU.

How do I fix a B2153 diagnostic trouble code?

To fix B2153: Check the integrity of the wiring harness and sensor connectors. Clean connector contacts or replace damaged wires. Check sensor resistance (compare with nominal value). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2153?

Do not drive — repair immediately

How much does it cost to fix B2153?

The estimated repair cost for B2153 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat