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 Explorer TimberlineFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System And Stability Control DTCS
| DTC | Description | Action |
|---|---|---|
| C0020:11 | ABS Pump Motor Control: Circuit Short To Ground | GO to Pinpoint Test H |
| C0020:12 | ABS Pump Motor Control: Circuit Short To Battery | GO to Pinpoint Test H |
| C0020:13 | ABS Pump Motor Control: Circuit Open | GO to Pinpoint Test H |
| C0020:49 | ABS Pump Motor Control: Internal Electronic Failure | GO to Pinpoint Test H |
| C0020:71 | ABS Pump Motor Control: Actuator Stuck | GO to Pinpoint Test H |
| C0030:07 | Left Front Tone Wheel: Mechanical Failures | GO to Pinpoint Test AB |
| C0031:01 | Left Front Wheel Speed Sensor: General Electrical Failure | GO to Pinpoint Test M |
| C0031:07 | Left Front Wheel Speed Sensor: Mechanical Failures | GO to Pinpoint Test AB |
| C0031:2F | Left Front Wheel Speed Sensor: Signal Erratic | GO to Pinpoint Test AB |
| C0031:4A | Left Front Wheel Speed Sensor: Incorrect Component Installed | GO to Pinpoint Test AL |
| C0031:64 | Left Front Wheel Speed Sensor: Signal Plausibility Failure | GO to Pinpoint Test AB |
| C0033:07 | Right Front Tone Wheel: Mechanical Failures | GO to Pinpoint Test AB |
| C0034:01 | Right Front Wheel Speed Sensor: General Electrical Failure | GO to Pinpoint Test M |
| C0034:07 | Right Front Wheel Speed Sensor: Mechanical Failures | GO to Pinpoint Test AB |
| C0034:2F | Right Front Wheel Speed Sensor: Signal Erratic | GO to Pinpoint Test AB |
| C0034:4A | Right Front Wheel Speed Sensor: Incorrect Component Installed | GO to Pinpoint Test AL |
| C0034:64 | Right Front Wheel Speed Sensor: Signal Plausibility Failure | GO to Pinpoint Test AB |
| C0036:07 | Left Rear Tone Wheel: Mechanical Failures | GO to Pinpoint Test AB |
| C0037:01 | Left Rear Wheel Speed Sensor: General Electrical Failure | GO to Pinpoint Test N |
| C0037:07 | Left Rear Wheel Speed Sensor: Mechanical Failures | GO to Pinpoint Test AB |
| C0037:2F | Left Rear Wheel Speed Sensor: Signal Erratic | GO to Pinpoint Test AB |
| C0037:4A | Left Rear Wheel Speed Sensor: Incorrect Component Installed | GO to Pinpoint Test AL |
| C0037:64 | Left Rear Wheel Speed Sensor: Signal Plausibility Failure | GO to Pinpoint Test AB |
| C0039:07 | Right Rear Tone Wheel: Mechanical Failures | GO to Pinpoint Test AB |
| C003A:01 | Right Rear Wheel Speed Sensor: General Electrical Failure | GO to Pinpoint Test N |
| C003A:07 | Right Rear Wheel Speed Sensor: Mechanical Failures | GO to Pinpoint Test AB |
| C003A:2F | Right Rear Wheel Speed Sensor: Signal Erratic | GO to Pinpoint Test AB |
| C003A:4A | Right Rear Wheel Speed Sensor: Incorrect Component Installed | GO to Pinpoint Test AL |
| C003A:64 | Right Rear Wheel Speed Sensor: Signal Plausibility Failure | GO to Pinpoint Test AB |
| C0040:64 | Brake Pedal Switch "A": Signal Plausibility Failure | GO to Pinpoint Test AC |
| C0044:49 | Brake Pressure Sensor "A": Internal Electronic Failure | GO to Pinpoint Test AM |
| C0044:51 | Brake Pressure Sensor "A": Not Programmed | GO to Pinpoint Test AM |
| C0044:64 | Brake Pressure Sensor "A": Signal Plausibility Failure | GO to Pinpoint Test AM |
| C0044:8F | Brake Pressure Sensor "A": Erratic | GO to Pinpoint Test AM |
| C0047:1C | Brake Booster Pressure Sensor: Circuit Voltage Out Of Range | GO to Pinpoint Test CO |
| C0047:64 | Brake Booster Pressure Sensor: Signal Plausibility Failure | GO to Pinpoint Test CO |
| C0049:01 | Brake Fluid Level: General Electrical Failure | GO to Pinpoint Test I |
| C0049:7A | Brake Fluid Level: Fluid Leak Or Seal Failure | GO to Pinpoint Test K |
| C0049:7B | Brake Fluid Level: Low Fluid Level | GO to Pinpoint Test I |
| C0051:64 | Steering Wheel Position Sensor: Signal Plausibility Failure | GO to Pinpoint Test LA |
| C0051:67 | Steering Wheel Position Sensor: Signal Incorrect After Event | GO to Pinpoint Test LA |
| C0051:85 | Steering Wheel Position Sensor: Signal Above Allowable Range | GO to Pinpoint Test LA |
| C0051:86 | Steering Wheel Position Sensor: Signal Invalid | GO to Pinpoint Test LA |
| C0061:28 | Lateral Acceleration Sensor: Signal Bias Level Out Of Range/Zero Adjustment Failure | GO to Pinpoint Test AG |
| C0061:64 | Lateral Acceleration Sensor: Signal Plausibility Failure | GO to Pinpoint Test AG |
| C0062:54 | Longitudinal Acceleration Sensor: Missing Calibration | GO to Pinpoint Test AN |
| C0062:64 | Longitudinal Acceleration Sensor: Signal Plausibility Failure | GO to Pinpoint Test AG |
| C0063:28 | Yaw Rate Sensor: Signal Bias Level Out Of Range/Zero Adjustment Failure | GO to Pinpoint Test AG |
| C0063:64 | Yaw Rate Sensor: Signal Plausibility Failure | GO to Pinpoint Test AG |
| C0064:28 | Roll Rate Sensor: Signal Bias Level Out Of Range/Zero Adjustment Failure | GO to Pinpoint Test AG |
| C0064:64 | Roll Rate Sensor: Signal Plausibility Failure | GO to Pinpoint Test AG |
| C0078:56 | Tire Diameter: Invalid/Incompatible Configuration | GO to Pinpoint Test ZA |
| C052E:A2 | ABS Pump Motor Control Circuit Low: System Voltage Low | GO to Pinpoint Test H |
| C0594:12 | Brake Booster Motor "A" Performance: Circuit Short To Battery | GO to Pinpoint Test CP |
| C0594:78 | Brake Booster Motor "A" Performance: Alignment Or Adjustment Incorrect | GO to Pinpoint Test CP |
| C0594:92 | Brake Booster Motor "A" Performance: Performance Or Incorrect Operation | GO to Pinpoint Test CP |
| C0596:00 | Brake Booster Motor "A" Current Sensor Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test CP |
| C1013:09 | Brake System Pressure: Component Failures | GO to Pinpoint Test CO |
| C1013:7A | Brake System Pressure: Fluid Leak Or Seal Failure | GO to Pinpoint Test CO |
| C1013:7C | Brake System Pressure: Slow Response | GO to Pinpoint Test CO |
| C1013:92 | Brake System Pressure: Performance Or Incorrect Operation | GO to Pinpoint Test CO |
| C1018:61 | Regenerative Braking: Signal Calculation Failure | GO to Pinpoint Test Z |
| C1019:29 | Linear Actuator Control (LAC): Signal Invalid | GO to Pinpoint Test CO |
| C1019:74 | Linear Actuator Control (LAC): Actuator Slipping | GO to Pinpoint Test CO |
| C1019:78 | Linear Actuator Control (LAC): Alignment Or Adjustment Incorrect | GO to Pinpoint Test CO |
| C1019:92 | Linear Actuator Control (LAC): Performance Or Incorrect Operation | GO to Pinpoint Test CO |
| C101F:46 | Generic Valve Failure: Calibration/Parameter Memory Failure | GO to Pinpoint Test Z |
| C101F:49 | Generic Valve Failure: Internal Electronic Failure | GO to Pinpoint Test Z |
| C1020:00 | Brake System Fill Not Complete: No Sub Type Information | GO to Pinpoint Test C |
| C1109:64 | Vehicle Dynamics Control Switch: Signal Plausibility Failure | GO to Pinpoint Test O |
| C1137:00 | Reverse gear switch: No Sub Type Information | GO to Pinpoint Test J |
| P0562:16 | System Voltage Low: Circuit Voltage Below Threshold | GO to Pinpoint Test A |
| P0563:17 | System Voltage High: Circuit Voltage Above Threshold | GO to Pinpoint Test F |
| P1177:64 | Synchronization: Signal Plausibility Failure | GO to Pinpoint Test Y |
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | GO to Pinpoint Test AI |
| U0100:82 | Lost Communication With ECM/PCM "A": Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test AI |
| U0100:83 | Lost Communication With ECM/PCM "A": Value Of Signal Protection Calculation Incorrect | GO to Pinpoint Test AI |
| U0100:87 | Lost Communication With ECM/PCM "A": Missing Message | GO to Pinpoint Test AI |
| U0102:00 | Lost Communication with Transfer Case Control Module: No Sub Type Information | GO to Pinpoint Test AU |
| U0103:00 | Lost Communication With Gear Shift Control Module A: No Sub Type Information | GO to Pinpoint Test AV |
| U011D:87 | Lost Communication With All Wheel Drive Control Module: Missing Message | GO to Pinpoint Test BX |
| U0122:00 | Lost Communication With Vehicle Dynamics Control Module: No Sub Type Information | GO to Pinpoint Test BR |
| U0131:82 | Lost Communication With Power Steering Control Module "A": Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test AE |
| U0131:83 | Lost Communication With Power Steering Control Module "A": Value Of Signal Protection Calculation Incorrect | GO to Pinpoint Test AE |
| U0131:87 | Lost Communication With Power Steering Control Module "A": Missing Message | GO to Pinpoint Test AE |
| U0138:00 | Lost Communication with All Terrain Control Module: No Sub Type Information | GO to Pinpoint Test BM |
| U0138:86 | Lost Communication with All Terrain Control Module: Signal Invalid | GO to Pinpoint Test BM |
| U0138:87 | Lost Communication with All Terrain Control Module: Missing Message | GO to Pinpoint Test BM |
| U0140:87 | Lost Communication With Body Control Module: Missing Message | GO to Pinpoint Test D |
| U0146:00 | Lost Communication With Serial Data Gateway "A": No Sub Type Information | GO to Pinpoint Test BP |
| U0146:87 | Lost Communication With Serial Data Gateway "A": Missing Message | GO to Pinpoint Test BP |
| U0151:00 | Lost Communication With Restraints Control Module: No Sub Type Information | GO to Pinpoint Test BH |
| U0151:82 | Lost Communication With Restraints Control Module: Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test BH |
| U0151:83 | Lost Communication With Restraints Control Module: Value Of Signal Protection Calculation Incorrect | GO to Pinpoint Test BH |
| U0151:87 | Lost Communication With Restraints Control Module: Missing Message | GO to Pinpoint Test BH |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | GO to Pinpoint Test AR |
| U0155:87 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: Missing Message | GO to Pinpoint Test AR |
| U0159:87 | Lost Communication With Parking Assist Control Module "A": Missing Message | GO to Pinpoint Test BY |
| U0164:00 | Lost Communication With HVAC Control Module: No Sub Type Information | GO to Pinpoint Test CE |
| U0164:87 | Lost Communication With HVAC Control Module: Missing Message | GO to Pinpoint Test CE |
| U0212:86 | Lost Communication With Steering Column Control Module: Signal Invalid | GO to Pinpoint Test BV |
| U0212:87 | Lost Communication With Steering Column Control Module: Missing Message | GO to Pinpoint Test BV |
| U0232:87 | Lost Communication With Side Obstacle Detection Control Module "A": Missing Message | GO to Pinpoint Test BZ |
| U0233:87 | Lost Communication With Side Obstacle Detection Control Module "B": Missing Message | GO to Pinpoint Test BZ |
| U023A:87 | Lost Communication With Image Processing Module A: Missing Message | GO to Pinpoint Test BQ |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to Pinpoint Test CL |
| U0293:00 | Lost Communication With Hybrid/EV Powertrain Control Module "A": No Sub Type Information | GO to Pinpoint Test CM |
| U0300:51 | Internal Control Module Software Incompatibility: Not Programmed | GO to Pinpoint Test Z |
| U0401:81 | Invalid Data Received from ECM/PCM A: Invalid Serial Data Received | GO to Pinpoint Test AI |
| U0401:82 | Invalid Data Received from ECM/PCM A: Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test AI |
| U0401:83 | Invalid Data Received from ECM/PCM A: Value Of Signal Protection Calculation Incorrect | GO to Pinpoint Test AI |
| U0401:86 | Invalid Data Received from ECM/PCM A: Signal Invalid | GO to Pinpoint Test AI |
| U0402:00 | Invalid Data Received from TCM: No Sub Type Information | GO to Pinpoint Test AI |
| U0404:86 | Invalid Data Received from Gear Shift Control Module A: Signal Invalid | GO to Pinpoint Test AV |
| U0422:86 | Invalid Data Received From Body Control Module: Signal Invalid | GO to Pinpoint Test D |
| U0424:86 | Invalid Data Received From HVAC Control Module: Signal Invalid | GO to Pinpoint Test CE |
| U0452:00 | Invalid Data Received From Restraints Control Module: No Sub Type Information | GO to Pinpoint Test BH |
| U0452:86 | Invalid Data Received From Restraints Control Module: Signal Invalid | GO to Pinpoint Test BH |
| U053B:82 | Invalid Data Received From Image Processing Module A: Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test BQ |
| U053B:83 | Invalid Data Received From Image Processing Module A: Value Of Signal Protection Calculation Incorrect | GO to Pinpoint Test BQ |
| U053B:86 | Invalid Data Received From Image Processing Module A: Signal Invalid | GO to Pinpoint Test BQ |
| U0554:86 | Invalid Data Received From Accessory Protocol Interface Module: Signal Invalid | GO to Pinpoint Test CL |
| U0594:86 | Invalid Data Received From Hybrid/EV Powertrain Control Module "A": Signal Invalid | GO to Pinpoint Test CM |
| U2001:00 | Reduced System Function: No Sub Type Information | GO to Pinpoint Test B |
| U2017:57 | Control Module Software #2: Invalid/Incompatible Software Component | GO to Pinpoint Test Z |
| U2017:93 | Control Module Software #2: No Operation | GO to Pinpoint Test Z |
| U2018:57 | Control Module Software #3: Invalid/Incompatible Software Component | GO to Pinpoint Test Z |
| U2024:51 | Control Module Cal-Config Data: Not Programmed | GO to Pinpoint Test Z |
| U2024:57 | Control Module Cal-Config Data: Invalid/Incompatible Software Component | GO to Pinpoint Test Z |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test Z |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | GO to Pinpoint Test Z |
| U2107:00 | Collision Mitigation By Braking: No Sub Type Information | GO to Pinpoint Test R |
| U2107:68 | Collision Mitigation By Braking: Event Information | GO to Pinpoint Test AQ |
| U2108:68 | Adaptive Cruise Control: Event Information | GO to Pinpoint Test R |
| U2200:00 | Control Module Configuration Memory Corrupt: No Sub Type Information | GO to Pinpoint Test Z |
| U3000:00 | Control Module: No Sub Type Information | GO to Pinpoint Test Y |
| U3000:04 | Control Module: System Internal Failures | GO to Pinpoint Test Y |
| U3000:41 | Control Module: General Checksum Failure | GO to Pinpoint Test Y |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test Y |
| U3000:4B | Control Module: Over Temperature | GO to Pinpoint Test Y |
| U3000:96 | Control Module: Component Internal Failure | GO to Pinpoint Test Y |
| U3001:68 | Control Module Improper Shutdown Performance: Event Information | GO to Pinpoint Test G |
| U3002:51 | Vehicle Identification Number: Not Programmed | GO to Pinpoint Test AF |
| U3002:62 | Vehicle Identification Number: Signal Compare Failure | GO to Pinpoint Test AF |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to Pinpoint Test A |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to Pinpoint Test F |
| U300A:29 | Ignition Switch: Signal Invalid | GO to Pinpoint Test A |
| U3012:00 | Control Module Improper Wake-up Performance: No Sub Type Information | GO to Pinpoint Test E |
| P05D3:86 | Driver Mode Select Switch "A" Range/Performance: Signal Invalid | GO to Pinpoint Test OB |
| P05FF:00 | Brake Pressure Sensor / Brake Pedal Position Sensor Correlation: No Sub Type Information | GO to Pinpoint Test CO |
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.
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