OBD Guide
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B1722

Seat Driver Rearward Switch Circuit Open

B1722 is an OBD-II diagnostic trouble code meaning: Seat Driver Rearward Switch Circuit Open. Common causes: broken wire in the harness, poor contact in the switch connector. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Driver's seat adjustment does not work backwards
  • Error indication on the dashboard
  • Seat adjustment is intermittent

Causes

  • Broken wire in the harness
  • Poor contact in the switch connector
  • Seat adjustment switch malfunction
  • Seat wiring harness damaged

How to Fix

  1. Check the integrity of the wires in the seat harness
  2. Inspect the switch connectors for oxidation
  3. Check the resistance of the adjustment switch
  4. If necessary, replace the switch or damaged wires

Related codes

B1720B1721B1723

FAQ

What does the B1722 code mean?

B1722 is an OBD-II diagnostic trouble code that indicates: Seat Driver Rearward Switch Circuit Open

What causes a B1722 error code?

The most common causes of B1722 include: Broken wire in the harness; Poor contact in the switch connector; Seat adjustment switch malfunction; Seat wiring harness damaged.

How do I fix a B1722 diagnostic trouble code?

To fix B1722: Check the integrity of the wires in the seat harness. Inspect the switch connectors for oxidation. Check the resistance of the adjustment switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1722?

Yes, but get it checked soon

How much does it cost to fix B1722?

The estimated repair cost for B1722 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat