For 1990-2009 cars only
Service 4WD Indicator Illuminated, DTC B2725 Set (Replace Transfer Case Shift Control Switch)
| Subject: | "Service 4WD" Indicator Illuminated, DTC B2725 Set (Replace Transfer Case Shift Control Switch) |
| Models: | 1999-2002 Chevrolet and GMC C/K Pickup and Utility Models (Silverado, Sierra, Avalanche, Suburban, Tahoe, Yukon, Yukon XL) |
| with Four Wheel Drive and NVG 236/246 Transfer Case (RPO NP8) |
Condition
Some customers may comment on the Service 4WD indicator illuminating. Upon investigation, the technician may find DTC B2725 set.
Cause
The condition may be due to a intermittent fault in the transfer case shift control switch.
Correction
Important: The transfer case shift control module should not need replacement. DO NOT replace P/N 15749703 unless diagnosis points to the module as the malfunction.
Replace the transfer case shift control switch using published Service Information procedures.
Parts Information
Part Number | Description |
|---|---|
15709327 | Transfer Case Shift Control Switch |
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
K4123 | Switch, Transfer Case Select - Replace | Use published labor operation time |
