U0535 code meaning
Invalid Data Received From Convenience Recall Module
What U0535 means
A convenience recall module keeps driver profiles and moves seat, mirrors, adjustable pedals or steering column back to stored positions, typically on a memory button or when the key fob linked to a profile unlocks the car. Ford's patent filing lists profiles covering seat, mirror, pedal and steering adjustment, and a Lear/Ford patent places a memory seat module with position sensors on the seat frame; Ram's owner's manual ties two memory profiles to two fobs. U0535 is set when profile or position data from this module arrive but fail validation. No manufacturer documents this code or the module name publicly, so which unit carries it varies; on many cars the driver's seat electronics handle memory recall (see U0509). Effect: positions are not recalled or recalled wrongly; driving is unaffected.
U0535 at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor0.5 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of U0535
- Memory buttons or key-linked profiles do not restore positions
- Seat or mirrors move to wrong positions or stop part-way
Common causes of U0535
- PossibleSeat, mirror or pedal position sensor reporting implausible values
- PossibleMemory module internally faulty or stored profiles corrupted
- PossiblePinched or corroded wiring under the seat or in the door
- Less likelyModule not configured or positions not relearned after replacement
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Convenience recall module
What each part of U0535 means
| U | Network system: communication between the control modules (CAN bus). |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 35 | The exact fault in that area. |
What to do next
- Note U0535 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about U0535
What does U0535 mean?
U0535 means "Invalid Data Received From Convenience Recall Module". A convenience recall module keeps driver profiles and moves seat, mirrors, adjustable pedals or steering column back to stored positions, typically on a memory button or when the key fob linked to a profile unlocks the car. It is a generic code, so it means the same on every make.
Is it safe to drive with U0535?
U0535 does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will U0535 fail an emissions test?
U0535 is not an emissions code, so on its own it usually does not fail an emissions test. Other stored codes or a lit check engine light still can.
How hard is U0535 to fix?
Difficulty: medium. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will U0535 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.