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.
2023 Ford Expedition TimberlineFACTORY OEM SERVICE PROCEDURE
Charging System
| DTC | Description | Action |
|---|---|---|
| B11D9:16 | Vehicle Battery: Circuit Voltage Below Threshold | GO to Pinpoint Test A |
| B11D9:16 | Vehicle Battery: Circuit Voltage Below Threshold | GO to Pinpoint Test B |
| B11DB:02 | Battery Monitoring Module "A": General Signal Failure | GO to Pinpoint Test E |
| B11DB:08 | Battery Monitoring Module "A": Bus Signal/Message Failures | GO to Pinpoint Test E |
| B11DB:09 | Battery Monitoring Module "A": Component Failures | GO to Pinpoint Test E |
| B11DB:11 | Battery Monitoring Module "A": Circuit Short To Ground | GO to Pinpoint Test E |
| B11DB:49 | Battery Monitoring Module "A": Internal Electronic Failure | GO to Pinpoint Test I |
| B11DB:55 | Battery Monitoring Module "A": Not Configured | GO to Pinpoint Test J |
| B11DB:9A | Battery Monitoring Module "A": Component or System Operating Conditions | GO to Pinpoint Test E |
| B130C:12 | Load Shed Control: Circuit Short To Battery | GO to Pinpoint Test E |
| B130C:14 | Load Shed Control: Circuit Short To Ground Or Open | GO to Pinpoint Test E |
| P0562:00 | System Voltage Low: No Sub Type Information | GO to Pinpoint Test B |
| P0563:00 | System Voltage High: No Sub Type Information | GO to Pinpoint Test A |
| P065B:00 | Generator "A" Control Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test B |
| P065C:00 | Generator "A" Mechanical Performance: No Sub Type Information | GO to Pinpoint Test B |
| P0A3B:00 | Generator "A" Over Temperature: No Sub Type Information | GO to Pinpoint Test H |
| U012D:00 | Lost Communication With Generator "A" Control Module: No Sub Type Information | GO to Pinpoint Test F |
| U042E:00 | Invalid Data Received From Generator "A" Control Module: No Sub Type Information | GO to Pinpoint Test F |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.