OBD Guide
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B1970

Passenger Seatback Forward Switch Circuit Short To Ground

B1970 is an OBD-II diagnostic trouble code meaning: Passenger Seatback Forward Switch Circuit Short To Ground. Common causes: wiring harness damage, backrest recline switch malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Inability to adjust the backrest of the front passenger seat
  • Passive safety system malfunction lamp lights up
  • Diagnostic system memory error

Causes

  • Wiring harness damage
  • Backrest recline switch malfunction
  • Short circuit to ground
  • Corroded or damaged connectors

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect the recline switch for damage.
  3. Check the connection and condition of the connectors
  4. If necessary, replace the switch or repair the wiring harness

Related codes

B1971B1972

FAQ

What does the B1970 code mean?

B1970 is an OBD-II diagnostic trouble code that indicates: Passenger Seatback Forward Switch Circuit Short To Ground

What causes a B1970 error code?

The most common causes of B1970 include: Wiring harness damage; Backrest recline switch malfunction; Short circuit to ground; Corroded or damaged connectors.

How do I fix a B1970 diagnostic trouble code?

To fix B1970: Check the integrity of the wiring harness. Inspect the recline switch for damage.. Check the connection and condition of the connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1970?

Do not drive — repair immediately

How much does it cost to fix B1970?

The estimated repair cost for B1970 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat