Transmission and drivelineModel years 2000–2002Manufacturer
Service 4WD indicator and DTC B2725 (transfer case shift control switch)
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.
FaultCrate・Service 4WD indicator and DTC B2725 (transfer case shift control switch)
The “Service 4WD” indicator is illuminated and DTC B2725 is set.
How to tell
What to do
- With the "Service 4WD" indicator illuminated and DTC B2725 set, the correction is to replace the transfer case shift control switch.
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.
See the evidence (1 documents, 3 passages)
| Document | Publisher | Date |
|---|---|---|
| [1]GM TechLink, June 2002 ↗ | ManufacturerGeneral Motors | 2002-06-01 |
Applies toBulletin 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.
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— [1]
First signsThe “Service 4WD” indicator is illuminated and DTC B2725 is set.
“Service 4WD” Indicator Illuminated, DTC B2725 Set— [1]
RepairWith the "Service 4WD" indicator illuminated and DTC B2725 set, the correction is to replace the transfer case shift control switch.
“Service 4WD” Indicator Illuminated, DTC B2725 Set (Replace Transfer Case Shift Control Switch)— [1]
Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.
List the records (1 that can be opened)
Records whose recall number, document number or text matches. Each line says why it matched.
- Service 4WD indicator on with DTC B2725: transfer case shift control switch (bulletin 02-04-21-004)Manufacturer communication 2002-06-01・document number matches