What C00A6 means
Fault on transfer case unit actuator.
Written from public technical sources and not yet checked by a mechanic. How we write these pages
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
- Actuator failed Most likely
How to diagnose C00A6
- Read every stored code with an OBD-II scanner. If misfire or fuel trim codes are there too, fix those first: they often cause this one.
- Inspect the parts involved: transfer case actuator.
- Work through the causes above from most to least likely, cheapest checks first.
- Clear the code and drive a full drive cycle to confirm the repair held.
Vehicles that report C00A6 most
| Vehicle | Years | Reports | Share | Median miles |
|---|---|---|---|---|
| Ford Explorer | 2020 | 4 | — |
Counts of owner complaints to the NHTSA that mention C00A6 (4 in total), not failure rates: popular models get more complaints simply because more of them are on the road. Models with fewer than 3 complaints are left out.
Reading the code
- C
- Chassis
- 0
- Generic (SAE) code
- 0A6
- Specific fault
Questions drivers ask
Can I drive with code C00A6?
Drive carefully and get it checked soon. Chassis faults can affect braking, steering or four-wheel drive. If the car handles or brakes differently than usual, stop.
Will C00A6 clear by itself?
The light can go off after several drive cycles without the fault, but the code returns if the cause is still there. After a repair, the readiness monitors need a full drive cycle before an inspection.
Often reported together
Codes that owners mention in the same NHTSA complaints as C00A6. They can point to a shared cause, so it's worth checking them together.
This page is general information, not a substitute for a professional diagnosis. Repair costs are rough estimates for parts and labor and vary by vehicle and region.