TOYOTA
T-SB-0093-25
Manufacturer communications
- Publication date
- 2025-12-17
- Received by NHTSA
- 2026-01-09
- NHTSA record numbers
- 11027561
Manufacturer summary
Original wording in English
Some 2024 – 2025 model year 4WD Tacoma and Tacoma Hybrid vehicles may exhibit a condition where the 4WD lights are flashing and a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) present:
•P277111 – Four Wheel Drive (4WD) Low Switch Circuit Short to Ground
•P178462 – 4WD/AWD Transfer Case Shift Motor Limit Switch and Transfer Case H4-L4 Position Switch Signal Compare Failure
•P17AC62 – 4WD/AWD Transfer Case Shift Motor Limit Switch Signal Compare Failure The transfer case breather hose has been updated.
•P277111 – Four Wheel Drive (4WD) Low Switch Circuit Short to Ground
•P178462 – 4WD/AWD Transfer Case Shift Motor Limit Switch and Transfer Case H4-L4 Position Switch Signal Compare Failure
•P17AC62 – 4WD/AWD Transfer Case Shift Motor Limit Switch Signal Compare Failure The transfer case breather hose has been updated.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Toyota
P1784624WD/AWD Transfer Case Shift Motor Limit Switch and Transfer Case H4-L4 Position Switch Signal Compare FailureToyota
P17AC624WD/AWD Transfer Case Shift Motor Limit Switch Signal Compare Failure The transfer case breather hose has been updatedToyota
P277111Four Wheel Drive (4WD) Low Switch Circuit Short to GroundCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Toyota | TACOMA | 2025 |
| Toyota | TACOMA | 2024 |
| Toyota | TACOMA HYBRID | 2025 |
| Toyota | TACOMA HYBRID | 2024 |