GMC Yukon 2000–2006
Common on this vehicle:Warning light
issueService 4WD indicator and DTC B2725 (transfer case shift control switch)Remove
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Known issuesService 4WD indicator and DTC B2725 (transfer case shift control switch)1
Manufacturer communication2000–2002 GMC C/K PICKUP AND UTILITY (YUKON) ・ 2002-06-01
Service 4WD indicator on with DTC B2725: transfer case shift control switch (bulletin 02-04-21-004)
1Fault
2Finding the cause
Not stated
3Correction
Repair
- With the "Service 4WD" indicator illuminated and DTC B2725 set, the correction is to replace the transfer case shift control switch.
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From the manufacturer’s document
- Applies to：Bulletin 02-04-21-004 applies to 1999-2002 Chevrolet and GMC C/K Pickup and Utility with the "Service 4WD" indicator illuminated and DTC B2725 set.
- Repair：With the "Service 4WD" indicator illuminated and DTC B2725 set, the correction is to replace the transfer case shift control switch.
Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.
- Remedy
- Bulletins – May 2002 02-04-21-004; “Service 4WD” Indicator Illuminated, DTC B2725 Set (Replace Transfer Case Shift Control Switch); 1999-2002 Chevrolet and GMC C/K Pickup and Utility “Service 4WD” Indicator Illuminated, DTC B2725 Set (Replace Transfer Case Shift Control Switch)