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 MANUALSFORD2021F-250 SUPER DUTY LIMITEDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXDTC INDEX (FUEL SYSTEM - PARKING AID SYSTEM)LANE KEEPING SYSTEM DTCS
2021 Ford F-250 Super Duty Limited
Lane Keeping System DTCS
2021 Ford F-250 Super Duty LimitedSECTION Lane Keeping System DTCS
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| DTC | Description | Action |
|---|---|---|
| C0072:00 | Brake Temperature Too High: No Sub Type Information | GO to Pinpoint Test T |
| C1A67:08 | Forward Looking Sensor: Bus Signal/Message Failure | GO to Pinpoint Test X |
| U0405:64 | Invalid Data Received From Cruise Control Module: Signal Plausibility Failure | GO to Pinpoint Test AA |
| U0416:86 | Invalid Data Received From Vehicle Dynamics Control Module: Signal Invalid | GO to Pinpoint Test AB |
| U0418:86 | Invalid Data Received From Brake System Control Module A: Signal Invalid | GO to Pinpoint Test AC |
| U0232:00 | Lost Communication With Side Obstacle Detection Control Module - Left: No Sub-Type Information | GO to Pinpoint Test H |
| B120C:11 | Heater for Windshield Mounted Sensor: Circuit Short To Ground | GO to Pinpoint Test C |
| B120C:13 | Heater for Windshield Mounted Sensor: Circuit Open | GO to Pinpoint Test C |
| B13A6:14 | Lane Departure Warning (LDW) Switch Input: Circuit Short To Ground or Open | GO to Pinpoint Test A |
| C1001:54 | Vision System Camera: Missing Calibration | GO to Pinpoint Test U |
| C1001:78 | Vision System Camera: Alignment or Adjustment Incorrect | GO to Pinpoint Test U |
| C1001:97 | Vision System Camera: Component or System Operation Obstructed or Blocked | GO to Pinpoint Test V |
| C1001:98 | Vision System Camera: Component or System Over Temperature | GO to Pinpoint Test W |
| U0100:00 | Loss Communication with ECM/PCM "A": No Sub Type Information | GO to Pinpoint Test E |
| U0101:00 | Loss Communication with TCM: No Sub Type Information | GO to Pinpoint Test F |
| U0121:00 | Loss Communication With Anti-Lock Brake System Control Module: No Sub Type Information | GO to Pinpoint Test G |
| U0122:00 | Lost Communication With Vehicle Dynamics Control Module: No Sub Type Information | GO to Pinpoint Test S |
| U0131:00 | Lost Communication With Power Steering Control Module: No Sub-Type Information | GO to Pinpoint Test J |
| U0140:00 | Lost Communication With Body Control Module: No Sub-Type Information | GO to Pinpoint Test L |
| U0151:00 | Lost Communication With Restraints Control Module: No Sub-Type Information | GO to Pinpoint Test M |
| U0155:00 | Lost Communication With Instrument Panel Cluster Control Module: No Sub-Type Information | GO to Pinpoint Test N |
| U0158:00 | Lost Communication With Head Up Display: No Sub-Type Information | GO to Pinpoint Test K |
| U0212:00 | Lost Communication With Steering Column Control Module: No Sub-Type Information | GO to Pinpoint Test O |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to Pinpoint Test P |
| U0423:82 | Invalid Data Received From Instrument Panel Cluster Control Module: Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test AE |
| U0423:86 | Invalid Data Received From Instrument Panel Cluster Control Module: Signal Invalid | GO to Pinpoint Test AE |
| U1000:11 | Solid State Driver Protection Activated: Circuit Short To Ground | GO to Pinpoint Test AJ |
| U2018:51 | Control Module Software#3: Not Programmed | GO to Pinpoint Test AK |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test AL |
| U2101:64 | Control Module Configuration Incompatible: Signal Plausibility Failure | GO to Pinpoint Test AM |
| U2300:55 | Central Configuration: Not Configured | GO to Pinpoint Test AN |
| U2300:64 | Central Configuration: Signal Plausibility Failure | GO to Pinpoint Test AO |
| U3000:41 | Control Module: General Check Sum Failure | GO to Pinpoint Test AP |
| U3000:42 | Control Module: General Memory Failure | GO to Pinpoint Test AQ |
| U3000:44 | Control Module: Data Memory Failure | GO to Pinpoint Test AR |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test AR |
| U3000:64 | Control Module: Signal Plausibility Failure | GO to Pinpoint Test AS |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to Pinpoint Test Q |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to Pinpoint Test R |
| U0401:86 | Invalid Data Received from ECM/PCM A: Signal Invalid | GO to Pinpoint Test Y |
| U0233:00 | Lost Communication With Side Obstacle Detection Control Module - Right: No Sub-Type Information | GO to Pinpoint Test I |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | GO to Pinpoint Test AD |
| U0452:86 | Invalid Data Received From Restraints Control Module: Signal Invalid | GO to Pinpoint Test AG |
| U0429:86 | Invalid Data Received From Steering Column Control Module: Signal Invalid | GO to Pinpoint Test AF |
| U0533:86 | Invalid Data Received From Side Obstacle Deduction Control Module A: Signal Invalid | GO to Pinpoint Test AH |
| U0534:86 | Invalid Data Received From Side Obstacle Deduction Control Module B: Signal Invalid | GO to Pinpoint Test AI |
| U0402:86 | Invalid Data Received from TCM: Signal Invalid | GO to Pinpoint Test Z |
| U023A:00 | Lost communication with IPMA: No Sub Type Information | GO to Pinpoint Test BB |
| U053B:00 | Invalid data received from IPMA: No Sub Type Information | GO to Pinpoint Test BC |
| U0554:00 | Invalid data received from APIM: Signal Invalid | GO to Pinpoint Test BD |
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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.