OBD Guide
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B1E2E

3rd Row Seat Left Backrest Switch Circuit Low

B1E2E is an OBD-II diagnostic trouble code meaning: 3rd Row Seat Left Backrest Switch Circuit Low. Common causes: open or short circuit in wiring harness, seat back switch malfunction. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–89 (est.)

Symptoms

  • The folding mechanism for the left seatback of the 3rd row does not work
  • The malfunction indicator in the cabin lights up
  • The error is stored in the system memory

Causes

  • Open or short circuit in wiring harness
  • Seat back switch malfunction
  • Poor contact in the connector
  • Problems with the seat control unit

How to Fix

  1. Check the integrity of the wiring harness to the switch
  2. Check the functionality of the seat back switch
  3. Clean the contacts in the connectors
  4. Check power and ground circuit
  5. If necessary, replace the switch or wiring harness

Related codes

B1E2FB1E30B1E31

FAQ

What does the B1E2E code mean?

B1E2E is an OBD-II diagnostic trouble code that indicates: 3rd Row Seat Left Backrest Switch Circuit Low

What causes a B1E2E error code?

The most common causes of B1E2E include: Open or short circuit in wiring harness; Seat back switch malfunction; Poor contact in the connector; Problems with the seat control unit.

How do I fix a B1E2E diagnostic trouble code?

To fix B1E2E: Check the integrity of the wiring harness to the switch. Check the functionality of the seat back switch. Clean the contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E2E?

Do not drive — repair immediately

How much does it cost to fix B1E2E?

The estimated repair cost for B1E2E is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat