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
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 Failure | GO to Pinpoint Test E |
| B11DB:09 | Battery Monitoring Module 'A': Component Failure | 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
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
