Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2024 Ford Expedition TimberlineFACTORY OEM SERVICE PROCEDURE
Front Seats
| DTC | Description | Action |
|---|---|---|
| B1C03:23 | Memory #1 Switch: Signal Stuck Low | GO to Pinpoint Test I |
| B1C04:23 | Memory #2 Switch: Signal Stuck Low | GO to Pinpoint Test I |
| B1C05:23 | Memory #3 Switch: Signal Stuck Low | GO to Pinpoint Test I |
| B1151:4B | Passenger Seat Cushion: Over Temperature | GO to Pinpoint Test M |
| B1153:4B | Driver Seat Cushion: Over Temperature | GO to Pinpoint Test L |
| B1155:11 | Passenger Seat: Circuit Short To Ground | GO to Pinpoint Test M |
| B1155:12 | Passenger Seat: Circuit Short To Battery | GO to Pinpoint Test M |
| B1155:13 | Passenger Seat: Circuit Open | GO to Pinpoint Test M |
| B1155:1A | Passenger Seat: Circuit Resistance Below Threshold | GO to Pinpoint Test M |
| B1156:11 | Driver Seat: Circuit Short To Ground | GO to Pinpoint Test L |
| B1156:12 | Driver Seat: Circuit Short To Battery | GO to Pinpoint Test L |
| B1156:13 | Driver Seat: Circuit Open | GO to Pinpoint Test L |
| B1208:11 | Driver Seat Cushion Temperature Sensor: Circuit Short To Ground | GO to Pinpoint Test L |
| B1208:2A | Driver Seat Cushion Temperature Sensor: Signal Stuck In Range | GO to Pinpoint Test L |
| B120A:11 | Passenger Seat Cushion Temperature Sensor: Circuit Short To Ground | GO to Pinpoint Test M |
| B120A:2A | Passenger Seat Cushion Temperature Sensor: Signal Stuck In Range | GO to Pinpoint Test M |
| B14BD:11 | Driver Seat Cushion Blower: Circuit Short To Ground | GO to Pinpoint Test O |
| B14BD:13 | Driver Seat Cushion Blower: Circuit Open | GO to Pinpoint Test O |
| B14C0:11 | Passenger Seat Cushion Blower: Circuit Short To Ground | GO to Pinpoint Test P |
| B14C0:13 | Passenger Seat Cushion Blower: Circuit Open | GO to Pinpoint Test P |
| B14C3:24 | Seat Height Rear Down Switch: Signal Stuck High | GO to Pinpoint Test H |
| B14C4:24 | Seat Height Rear Up Switch: Signal Stuck High | GO to Pinpoint Test H |
| B14CE:11 | Seat Horizontal Motor Output: Circuit Short To Ground | GO to Pinpoint Test H |
| B14CE:12 | Seat Horizontal Motor Output: Circuit Short To Battery | GO to Pinpoint Test H |
| B14CE:13 | Seat Horizontal Motor Output: Circuit Open | GO to Pinpoint Test H |
| B14CF:11 | Seat Recline Motor Output: Circuit Short To Ground | GO to Pinpoint Test H |
| B14CF:12 | Seat Recline Motor Output: Circuit Short To Battery | GO to Pinpoint Test H |
| B14CF:13 | Seat Recline Motor Output: Circuit Open | GO to Pinpoint Test H |
| B14D0:11 | Seat Height Front/Tilt Motor Output: Circuit Short To Ground | GO to Pinpoint Test H |
| B14D0:12 | Seat Height Front/Tilt Motor Output: Circuit Short To Battery | GO to Pinpoint Test H |
| B14D0:13 | Seat Height Front/Tilt Motor Output: Circuit Open | GO to Pinpoint Test H |
| B14D2:11 | Seat Height Rear Motor Output: Circuit Short To Ground | GO to Pinpoint Test H |
| B14D2:12 | Seat Height Rear Motor Output: Circuit Short To Battery | GO to Pinpoint Test H |
| B14D2:13 | Seat Height Rear Motor Output: Circuit Open | GO to Pinpoint Test H |
| B1562:11 | Driver Seat Back Blower Speed: Circuit Short To Ground | GO to Pinpoint Test O |
| B1562:12 | Driver Seat Back Blower Speed: Circuit Short To Battery | GO to Pinpoint Test O |
| B1563:11 | Passenger Seat Back Blower Speed: Circuit Short To Ground | GO to Pinpoint Test P |
| B1563:12 | Passenger Seat Back Blower Speed: Circuit Short To Battery | GO to Pinpoint Test P |
| B1564:11 | Driver Seat Cushion Blower Speed: Circuit Short To Ground | GO to Pinpoint Test O |
| B1564:12 | Driver Seat Cushion Blower Speed: Circuit Short To Battery | GO to Pinpoint Test O |
| B1565:11 | Passenger Seat Cushion Blower Speed: Circuit Short To Ground | GO to Pinpoint Test P |
| B1565:12 | Passenger Seat Cushion Blower Speed: Circuit Short To Battery | GO to Pinpoint Test P |
| B1B87:11 | Seat Height Motor Speed/Position Sensor: Circuit Short To Ground | GO to Pinpoint Test I |
| B1B87:15 | Seat Height Motor Speed/Position Sensor: Circuit Short To Battery Or Open | GO to Pinpoint Test I |
| B1B89:11 | Seat Slide Motor Speed/Position Sensor: Circuit Short To Ground | GO to Pinpoint Test I |
| B1B89:15 | Seat Slide Motor Speed/Position Sensor: Circuit Short To Battery Or Open | GO to Pinpoint Test I |
| B1B91:11 | Seat Tilt Motor Speed/Position Sensor: Circuit Short To Ground | GO to Pinpoint Test I |
| B1B91:15 | Seat Tilt Motor Speed/Position Sensor: Circuit Short To Battery Or Open | GO to Pinpoint Test I |
| B1B93:11 | Seat Recline Motor Speed/Position Sensor: Circuit Short To Ground | GO to Pinpoint Test I |
| B1B93:15 | Seat Recline Motor Speed/Position Sensor: Circuit Short To Battery Or Open | GO to Pinpoint Test I |
| B1B96:24 | Seat Slide Forward Switch: Signal Stuck High | GO to Pinpoint Test H |
| B1B97:24 | Seat Slide Backward Switch: Signal Stuck High | GO to Pinpoint Test H |
| B1B98:24 | Seat Tilt Up Switch: Signal Stuck High | GO to Pinpoint Test H |
| B1B99:24 | Seat Tilt Down Switch: Signal Stuck High | GO to Pinpoint Test H |
| B1C00:24 | Seat Recline Up Switch: Signal Stuck High | GO to Pinpoint Test H |
| B1C01:24 | Seat Recline Down Switch: Signal Stuck High | GO to Pinpoint Test H |
| U0100:00 | Lost Communication With ECM/PCM 'A': No Sub Type Information | GO to Pinpoint Test Q |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test R |
| U0199:00 | Lost Communication With 'Door Control Module A': No Sub Type Information | GO to Pinpoint Test Z |
| U0212:00 | Lost Communication With Steering Column Control Module: No Sub Type Information | GO to Pinpoint Test Y |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to Pinpoint Test AA |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | GO to Pinpoint Test AB |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | GO to Pinpoint Test AG |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test AH |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test AI |
| U3500:17 | Control Module Input Power 'A' Circuit Range/Performance: Circuit Voltage Above Threshold | GO to Pinpoint Test AC |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | GO to Pinpoint Test AG |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test AH |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test AI |
| B146F:00 | Back Bladder System Electropneumatic Failure: No Sub Type Information | GO to Pinpoint Test F |
| B146F:04 | Back Bladder System Electropneumatic Failure: System Internal Failure | GO to Pinpoint Test F |
| B1470:00 | Cushion Bladder System Electropneumatic Failure: No Sub Type Information | GO to Pinpoint Test F |
| B1470:04 | Cushion Bladder System Electropneumatic Failure: System Internal Failure | GO to Pinpoint Test F |
| B1471:11 | Multi-Contour Seat Switch Input: Circuit Short To Ground | GO to Pinpoint Test F |
| B1471:13 | Multi-Contour Seat Switch Input: Circuit Open | GO to Pinpoint Test F |
| B1471:2A | Multi-Contour Seat Switch Input: Signal Stuck In Range | GO to Pinpoint Test AJ |
| B1473:11 | Pump Driver: Circuit Short To Ground | GO to Pinpoint Test F |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test S |
| U0208:00 | Lost Communication With Seat Control Module 'A': No Sub Type Information | GO to Pinpoint Test T |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to Pinpoint Test V |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | GO to Pinpoint Test W |
| U0455:00 | Invalid Data Received From Restraints Occupant Classification System Module 'A': No Sub Type Information | GO to Pinpoint Test X |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | GO to Pinpoint Test AG |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test AH |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test AI |
| B146F:00 | Back Bladder System Electropneumatic Failure: No Sub Type Information | GO to Pinpoint Test G |
| B146F:04 | Back Bladder System Electropneumatic Failure: System Internal Failure | GO to Pinpoint Test G |
| B1470:00 | Cushion Bladder System Electropneumatic Failure: No Sub Type Information | GO to Pinpoint Test G |
| B1470:04 | Cushion Bladder System Electropneumatic Failure: System Internal Failure | GO to Pinpoint Test G |
| B1471:11 | Multi-Contour Seat Switch Input: Circuit Short To Ground | GO to Pinpoint Test G |
| B1471:13 | Multi-Contour Seat Switch Input: Circuit Open | GO to Pinpoint Test G |
| B1471:2A | Multi-Contour Seat Switch Input: Signal Stuck In Range | GO to Pinpoint Test AJ |
| B1473:11 | Pump Driver: Circuit Short To Ground | GO to Pinpoint Test G |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test S |
| U0208:00 | Lost Communication With Seat Control Module 'A': No Sub Type Information | GO to Pinpoint Test T |
| U024B:00 | Lost Communication with Seat Control Module 'G': No Sub Type Information | GO to Pinpoint Test U |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to Pinpoint Test V |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | GO to Pinpoint Test W |
| U0455:00 | Invalid Data Received From Restraints Occupant Classification System Module 'A': No Sub Type Information | GO to Pinpoint Test X |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | GO to Pinpoint Test AG |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test AH |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test AI |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.