OBD Guide
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B2725

Transfer Case Range Selection Switch Circuit

B2725 is an OBD-II diagnostic trouble code meaning: Transfer Case Range Selection Switch Circuit. Common causes: open or short circuit in switch circuit, range switch malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to switch transfer case modes
  • Check engine light is on
  • Transfer case stuck in one mode
  • Other related errors appear

Causes

  • Open or short circuit in switch circuit
  • Range switch malfunction
  • Wiring harness damage
  • Poor contact in connectors
  • Problems with the transfer box control unit

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the resistance and operation of the range switch
  3. Inspect contacts for corrosion or damage
  4. Check power and ground in switch circuit
  5. If necessary, replace the switch or repair the wiring harness
  6. Reset the error and check the system operation

Related codes

B2724B2726C0035C0040

FAQ

What does the B2725 code mean?

B2725 is an OBD-II diagnostic trouble code that indicates: Transfer Case Range Selection Switch Circuit

What causes a B2725 error code?

The most common causes of B2725 include: Open or short circuit in switch circuit; Range switch malfunction; Wiring harness damage; Poor contact in connectors.

How do I fix a B2725 diagnostic trouble code?

To fix B2725: Check the integrity of the wiring harness and connectors. Check the resistance and operation of the range switch. Inspect contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2725?

Limited driving only, diagnose soon

How much does it cost to fix B2725?

The estimated repair cost for B2725 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat