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.
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HOMESERVICE MANUALSFORD2009PICKUP F350 SUPER DUTY, 2D PICKUP, 6.8 Y, RWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX -- F150ENTERTAINMENT SYSTEMS DTCSINFORMATION AND ENTERTAINMENT SYSTEMSACCESSORY PROTOCOL INTERFACE MODULE (APIM) - V1 DTC CHART
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, RWD, Standard
Accessory Protocol Interface Module (APIM) - V1 DTC Chart
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, RWD, StandardSECTION Accessory Protocol Interface Module (APIM) - V1 DTC Chart
ACCESSORY PROTOCOL INTERFACE MODULE (APIM) - V1 DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1038 | Microphone Input Circuit Failure | Go To PINPOINT TEST AA . |
| B1117 | Audio Steering Wheel Button Stuck | Go To PINPOINT TEST W . |
| B1136 | Audio Steering Wheel Switch #2 Circuit Failure | Go To PINPOINT TEST W . |
| B1317 | Battery Voltage High | Go To PINPOINT TEST AK . |
| B1318 | Battery Voltage Low | Go To PINPOINT TEST AJ . |
| B1342 | ECU is Faulted |
NOTE:
Repair all other DTCs before diagnosing DTC B1342. CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is the only DTC retrieved, INSTALL a new Accessory Protocol Interface Module (APIM). REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM)
. REPEAT the self-test. |
| B2477 | Module Configuration Failure | REFER to MODULE CONFIGURATION . |
| U0184 | Lost Communication With Radio (ACM ) | Go To PINPOINT TEST AN . |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | DISREGARD the DTC. |
| U0249 | Lost Communication With Entertainment Control Module - Rear "B" (RCU ) | DISREGARD the DTC. |
| U0255 | Lost Communication With Front Controls Interface Module | Go To PINPOINT TEST F . |
| U0256 | Lost Communication With Front Display Interface Module |
NOTE:
This DTC applies to vehicles without navigation only. For vehicles with navigation, disregard the DTC. Go To PINPOINT TEST G
. |
| U2050 | No Application Present | REFER to MODULE CONFIGURATION . |
| U261C | USB #1 Device Error | Go To PINPOINT TEST T . |
| U261D | USB #2 Device Error | DISREGARD the DTC. |
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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.