C1258 Transfer 4WD position switch circuit fault
What does C1258 mean on a Toyota?
C1258. Transfer 4WD position switch circuit fault. The skid ECU cannot confirm transfer position. This Toyota-enhanced code applies to Toyota 4WD models with a transfer 4WD position switch.
Common causes of C1258
- Failed transfer 4WD position switch
- Open in switch harness to skid ECU
- Short in switch harness
- Corroded transfer connector
- Failed skid control ECU input
How to fix C1258
- Confirm transfer lever shifts normally
- Inspect switch on transfer case
- Test switch continuity in each range
- Check harness to skid control ECU
- Replace position switch if signal is wrong