OBD Guide
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B1682

PATS Is Disabled

B1682 is an OBD-II diagnostic trouble code meaning: PATS Is Disabled. Common causes: pats module malfunction, problems with the ignition key (damaged chip). Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Engine won't start
  • The immobilizer indicator is flashing
  • No response to turning the ignition key

Causes

  • PATS module malfunction
  • Problems with the ignition key (damaged chip)
  • Open or short circuit in PATS wiring harness
  • Software failure

How to Fix

  1. Check the ignition key for damage
  2. Diagnose the PATS module using an OBD-II scanner
  3. Check the integrity of the PATS system wiring harness
  4. Reprogram or replace PATS module if necessary

Related codes

B1680B1681B1683

FAQ

What does the B1682 code mean?

B1682 is an OBD-II diagnostic trouble code that indicates: PATS Is Disabled

What causes a B1682 error code?

The most common causes of B1682 include: PATS module malfunction; Problems with the ignition key (damaged chip); Open or short circuit in PATS wiring harness; Software failure.

How do I fix a B1682 diagnostic trouble code?

To fix B1682: Check the ignition key for damage. Diagnose the PATS module using an OBD-II scanner. Check the integrity of the PATS system wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1682?

Yes, but get it checked soon

How much does it cost to fix B1682?

The estimated repair cost for B1682 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat