OBD Guide
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B1972

Passenger Rear Seat Up Switch Circuit Short To Battery

B1972 is an OBD-II diagnostic trouble code meaning: Passenger Rear Seat Up Switch Circuit Short To Battery. Common causes: damage to the wiring harness in the rear seat area, short circuit in seat up sensor. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Incorrect operation of belt pretensioners
  • Errors in the SRS (Supplemental Restraint System) system

Causes

  • Damage to the wiring harness in the rear seat area
  • Short circuit in seat up sensor
  • Corrosion of contacts or connectors
  • Problems with the SRS control module

How to Fix

  1. Check wiring harness for damage
  2. Inspect the seat up sensor and its connectors
  3. Check continuity with a multimeter
  4. Replace damaged components
  5. Reset the error and check the system operation

Related codes

B1971B1973B1974

FAQ

What does the B1972 code mean?

B1972 is an OBD-II diagnostic trouble code that indicates: Passenger Rear Seat Up Switch Circuit Short To Battery

What causes a B1972 error code?

The most common causes of B1972 include: Damage to the wiring harness in the rear seat area; Short circuit in seat up sensor; Corrosion of contacts or connectors; Problems with the SRS control module.

How do I fix a B1972 diagnostic trouble code?

To fix B1972: Check wiring harness for damage. Inspect the seat up sensor and its connectors. Check continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1972?

Do not drive — repair immediately

How much does it cost to fix B1972?

The estimated repair cost for B1972 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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