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HOMESERVICE MANUALSFORD2018EXPEDITION MAX LIMITED, 4WDREPAIR AND DIAGNOSISBRAKESBRAKES CONTROL SYSTEMSABS GUIDED ROUTINE TESTING
2018 Ford Expedition MAX Limited, 4WD
Abs Guided Routine Testing
2018 Ford Expedition MAX Limited, 4WDSECTION Abs Guided Routine Testing
- DTC/Symptom Selection
- DTC Index
- Notes
- ABS - Antilock braking system
- DTC B10DF: Master Cylinder Isolation Valve
- DTC B1111: Electric Park Brake Enable
- DTC C0001: TCS Control Channel "A" Valve 1
- DTC C0002: TCS Control Channel "A" Valve 2
- DTC C0003: TCS Control Channel "B" Valve 1
- DTC C0004: TCS Control Channel "B" Valve 2
- DTC C0010: Left Front Inlet Control
- DTC C0011: Left Front Outlet Control
- DTC C0014: Right Front Inlet Control
- DTC C0015: Right Front Outlet Control
- DTC C0018: Left Rear Inlet Control
- DTC C0019: Left Rear Outlet Control
- DTC C001C: Right Rear Inlet Control
- DTC C001D: Right Rear Outlet Control
- DTC C0020: ABS Pump Motor Control
- DTC C0021: Brake Booster
- DTC C0030: Left Front Tone Wheel
- DTC C0031: Left Front Wheel Speed Sensor
- DTC C0032: Left Front Wheel Speed Sensor Supply
- DTC C0033: Right Front Tone Wheel
- DTC C0034: Right Front Wheel Speed Sensor
- DTC C0035: Right Front Wheel Speed Sensor Supply
- DTC C0036: Left Rear Tone Wheel
- DTC C0037: Left Rear Wheel Speed Sensor
- DTC C0038: Left Rear Wheel Speed Sensor Supply
- DTC C0039: Right Rear Tone Wheel
- DTC C003A: Right Rear Wheel Speed Sensor
- DTC C003B: Right Rear Wheel Speed Sensor Supply
- DTC C0040: Brake Pedal Switch "A"
- DTC C0044: Brake Pressure Sensor "A"
- DTC C0047: Brake Booster Pressure Sensor
- DTC C0051: Steering Wheel Position Sensor
- DTC C0061: Lateral Acceleration Sensor
- DTC C0062: Longitudinal Acceleration Sensor
- DTC C0063: Yaw Rate Sensor
- DTC C0064: Roll Rate Sensor
- DTC C006A: Multi-axis Acceleration Sensor
- DTC C006B: Stability System Active Too Long
- DTC C0072: Brake Temperature Too High
- DTC C0078: Tire Diameter
- DTC C0089: TCS Disable Switch
- DTC C052F: ABS Pump Motor Supply Voltage "A" Circuit/Open
- DTC C0564: ABS Control Module System Voltage Low
- DTC C1000: Hill Descent Control (HDC) Function
- DTC C1015: Vacuum Supply
- DTC C101A: Vacuum Pressure Sensor
- DTC C101C: Brake Vacuum Pump
- DTC C101F: Generic Valve Failure
- DTC C1020: Brake System Fill Not Complete
- DTC C1034: Parking Brake
- DTC C1109: Vehicle Dynamics Control Switch
- DTC C1137: Reverse Gear Switch
- DTC C1A08: Pressure Sensor Supply
- DTC C1A41: Clutch Pedal Sensor
- DTC C1A43: Motor Supply
- DTC C1A76: Valve Relay
- DTC C1A77: Valve Relay Supply Circuit
- DTC C1A78: Left Front Inlet Valve
- DTC C1A79: Left Front Outlet Valve
- DTC C1A80: Right Front Inlet Valve
- DTC C1A81: Right Front Outlet Valve
- DTC C1A82: Left Rear Inlet Valve
- DTC C1A83: Left Rear Outlet Valve
- DTC C1A84: Right Rear Inlet Valve
- DTC C1A85: Right Rear Outlet Valve
- DTC C1A90: Wheel Speed Sensor Supply
- DTC C1A95: Wheel Speed Sensor
- DTC C1A99: Pressure Sensor
- DTC C1B02: Return Pump
- DTC C1B14: Sensor Supply Voltage "A"
- DTC C1B15: Sensor Supply Voltage "B"
- DTC C1D00: Park Brake Apply Switch
- DTC C2005: Right Actuator
- DTC C2006: Left Actuator
- DTC C2007: Right Motor
- DTC C2008: Left Motor
- DTC P050F: Brake Assist Vacuum Too Low
- DTC P05D3: Driver Mode Select Switch "A" Range/Performance
- DTC P05E6: Park Brake Sensor/Switch Circuit Range/Performance
- DTC P0604: Internal Control Module Random Access Memory (RAM) Error
- DTC P062F: Internal Control Module EEPROM Error
- DTC P0942: Hydraulic Pressure Unit
- DTC P1571: Brake Switch
- DTC P1708: Clutch Switch Circuit
- DTC P193B: Throttle/Pedal Signal
- DTC P258A: Vacuum Pump Control Circuit "A"/Open
- DTC P258B: Vacuum Pump Control Circuit "A" Range/Performance
- DTC U0001: High Speed CAN Communication Bus
- DTC U0073: Control Module Communication Bus "A" Off
- DTC U0074: Control Module Communication Bus "B" Off
- DTC U0100: Lost Communication With ECM/PCM "A"
- DTC U0101: Lost Communication With TCM
- DTC U0102: Lost Communication with Transfer Case Control Module: No Sub Type Information
- DTC U0103: Lost Communication With Gear Shift Control Module A: No Sub Type Information
- DTC U0104: Lost Communication With Cruise Control Module
- DTC U0122: Lost Communication With Vehicle Dynamics Control Module
- DTC U0125: Lost Communication With Multiaxis Acceleration Sensor Module
- DTC U0126: Lost Communication With Steering Angle Sensor Module
- DTC U0128: Lost Communication With Park Brake Control Module
- DTC U0131: Lost Communication With Power Steering Control Module
- DTC U0137: Lost Communication With Trailer Brake Control Module
- DTC U0138: Lost Communication With All Terrain Control Module
- DTC U0140: Lost Communication With Body Control Module
- DTC U0146: Lost Communication With Gateway "A'
- DTC U0151: Lost Communication With Restraints Control Module
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0164: Lost Communication With HVAC Control Module
- DTC U0256: Lost Communication With Front Controls Interface Module "A"
- DTC U0265: Lost Communication with Image Processing Sensor A
- DTC U0300: Internal Control Module Software Incompatibility
- DTC U0401: Invalid Data Received From ECM/PCM "A"
- DTC U0402: Invalid Data Received From TCM
- DTC U0403: Invalid Data Received From Transfer Case Control Module: No Sub Type Information
- DTC U0404: Invalid Data Received from Gear Shift Control Module A: Signal Invalid
- DTC U0405: Invalid Data Received From Cruise Control Module
- DTC U0420: Invalid Data Received From PSCM (power steering control module)
- DTC U0422: Invalid Data Received From Body Control Module
- DTC U0423: Invalid Data Received from Instrument Panel Cluster Control Module
- DTC U0428: Invalid Data Received From Steering Angle Sensor Module
- DTC U0439: Invalid Data Received from the All Terrain Control Module
- DTC U0451: Invalid Data Received from Gateway "E"
- DTC U0452: Invalid Data Received From Restraints Control Module
- DTC U0513: Invalid Data Received From Yaw Rate Sensor Module
- DTC U0557: Invalid Data Received From Front Controls Interface Module "A"
- DTC U1A14: CAN Initialization Failure
- DTC U2001: Reduced System Function
- DTC U2002: Switch
- DTC U2007: Valve(s)
- DTC U2012: Car Configuration Parameter(s)
- DTC U2017: Control Module Software #2
- DTC U2024: Control Module Cal-Config Data
- DTC U2100: Initial Configuration Not Complete
- DTC U2101: Control Module Configuration Incompatible
- DTC U2107: Collision Mitigation By Braking
- DTC U2108: Adaptive Cruise Control
- DTC U2200: Control Module Configuration Memory Corrupt
- DTC U2300: Central Configuration
- DTC U3000: Control Module
- DTC U3001: Control Module Improper Shutdown Performance
- DTC U3002: Vehicle Identification Number
- DTC U3003: Battery Voltage
- DTC U300A: Ignition Switch
- DTC U300E: Ignition Input On
- PCM - Powertrain Control Module
- DTC P050F: Brake Assist Vacuum Too Low
- DTC P0555: Brake Booster Pressure Sensor Circuit
- DTC P0556: Brake Booster Pressure Sensor Circuit Range/Performance
- DTC P0557: Brake Booster Pressure Sensor Circuit Low
- DTC P0558: Brake Booster Pressure Sensor Circuit High
- DTC P0559: Brake Booster Pressure Sensor Circuit Intermittent
- DTC P05FF: Brake Pressure Sensor/Brake Pedal Position Sensor Correlation
- DTC P103C: Aspirator Valve Control Circuit/Open
- DTC P103D: Aspirator Valve Control Circuit Low
- DTC P103E: Aspirator Valve Control Circuit High
- DTC P1501: Vehicle Speed Sensor Out of Self Test Range
- DTC P1637: CAN Link ECM/ABS Control Module Circuit/Network
- DTC P193C: Steering Wheel Angle Signal
- DTC P193F: Vehicle Speed Signal Intermittent
- SASM - Steering Angle Sensor Module
- DTC B1016: Status Switch
- DTC C1B00: Steering Angle Sensor
- DTC U0001: High Speed CAN Communication Bus
- DTC U0100: Lost Communication With ECM/PCM "A"
- DTC U0121: Lost Communication With Anti-Lock Brake System (ABS) Control Module
- DTC U0122: Lost Communication With Vehicle Dynamics Control Module
- DTC U0130: Lost Communication With Steering Effort Control Module
- DTC U0140: Lost Communication With Body Control Module
- DTC U0146: Lost Communication With Gateway "A"
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0253: Lost Communication With Accessory Protocol Interface Module: No Sub Type Information
- DTC U0300: Internal Control Module Software Incompatibility
- DTC U0401: Invalid Data Received from ECM/PCM A
- DTC U0415: Invalid Data Received From Anti-Lock Brake System (ABS) Control Module
- DTC U0422: Invalid Data Received From Body Control Module
- DTC U0423: Invalid Data Received from Instrument Panel Cluster Control Module
- DTC U0461: Invalid Data Received From Audible Alert Control Module
- DTC U0554: Invalid Data Received from Accessory Protocol Interface Module
- DTC U0556: Invalid Data Received From Front Display Interface Module
- DTC U1000: Solid State Driver Protection Active-Driver Disabled
- DTC U2001: Reduced System Function
- DTC U2002: Switch
- DTC U2016: Control Module Main Software - Watchdog/Safety Micro-Controller Failure
- DTC U2100: Initial Configuration Not Complete
- DTC U2101: Control Module Configuration Incompatible
- DTC U210A: Temperature Sensor
- DTC U2200: Control Module Configuration Memory Corrupt
- DTC U3000: Control Module
- DTC U3003: Battery Voltage
- DTC U3011: Ignition Input Off
- SCCM - Steering Column Control Module
- CF - The Selectable Drive Mode Feature Is Inoperative, Cannot Be Disabled Or Enabled
- Symptom Chart - Anti-Lock Brake System (ABS) and Stability Control
- Notes
- The ABS Module Does Not Respond To The Diagnostic Scan Tool
- The SASM Does Not Respond To The Diagnostic Scan Tool
- Parking Brake Fault
- The Brake Warning Indicator Is Always On Or Never On
- The ABS Warning Indicator Is Always On Or Never On
- The Stability-Traction Control Indicator (Sliding-Car Icon) Is Always On Or Never On
- ABS False Activation, ABS Too Sensitive, ABS Activates On Normal Stop
- The Traction Control System Is Inoperative Or Cannot Be Disabled Using The Message Center
- The Hill Start Assist Feature Is Inoperative, Cannot Be Disabled Or Enabled
- DTC Index
- Pinpoint Tests
- Pinpoint Tests A: ABS Module Low Voltage Concern
- Pinpoint Tests AA: Steering Angle Reset DTC
- Pinpoint Tests AB: Wheel Speed Sensor Erratic Signal DTCs
- Pinpoint Tests AC: Brake Pedal Input Concern
- Pinpoint Tests AD: Stability System Active Too Long Concern
- Pinpoint Tests AE: ABS Module Communication Concern With PSCM
- Pinpoint Tests AF: ABS Module VIN Mismatch
- Pinpoint Tests AG: Stability Control Sensor Signal Failure Faults
- Pinpoint Tests AH: Brake Booster Vacuum Supply Faults
- Pinpoint Tests AI: ABS Module Communication Concern With PCM
- Pinpoint Tests AJ: Steering Wheel Position Sensor Signal Fault
- Pinpoint Tests AK: Calibration Fault Between The ABS Module And The HCU
- Pinpoint Tests AL: Incorrect Wheel Speed Sensor Fault
- Pinpoint Tests AM: Brake Pressure Sensor Fault
- Pinpoint Tests AN: Stability Control Sensor Initialization Fault
- Pinpoint Tests AO: RCM Installed Incorrectly Concern
- Pinpoint Tests AP: ABS Overheat Concern With CCM
- Pinpoint Tests AQ: Cruise Control Braking Fault
- Pinpoint Tests AR: ABS Module Communication Concern With IPC
- Pinpoint Tests AS: ABS Module Communication Concern With FCIM
- Pinpoint Tests AT: The ABS Module Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Tests AU: ABS Module Communication Concern With The 4WD Module
- Pinpoint Tests AV: ABS Module Communication Concern With The GSM
- Pinpoint Tests AW: SASM Communication Concern With PCM
- Pinpoint Tests AX: SASM Communication Concern With ABS Module
- Pinpoint Tests AY: SASM Communication Concern With VDM
- Pinpoint Tests AZ: SASM Communication Concern With SECM
- Pinpoint Tests B: Wheel Speed Sensor Erratic Signal Faults
- Pinpoint Tests BA: SASM Communication Concern With GWM
- Pinpoint Tests BB: SASM Communication Concern With IPC
- Pinpoint Tests BC: SASM Communication Concern With APIM
- Pinpoint Tests BD: SASM Low Voltage Concern
- Pinpoint Tests BE: SASM High Voltage Concern
- Pinpoint Tests BF: ABS False Activation, ABS Too Sensitive, ABS Activates On Normal Stop
- Pinpoint Tests BG: The Traction Control System Cannot Be Disabled Using The Traction Control Switch
- Pinpoint Tests BH: ABS Module Communication Concern With The RCM
- Pinpoint Tests BJ: ABS Module Communication Concern With The IPC
- Pinpoint Tests BK: ABS Module Communication Concern With SASM
- Pinpoint Tests BL: SASM Ignition Input Circuit Fault
- Pinpoint Tests BM: Lost Communication With ATCM Concern
- Pinpoint Tests BO: Clutch Pedal Input Concern
- Pinpoint Tests BP: ABS Module Communication Concern With The GWM
- Pinpoint Tests BQ: ABS Module Communication Concern With The IPMA
- Pinpoint Tests BR: ABS Module Communication Concern With VDM
- Pinpoint Tests BS: Brake Wear Lining Sensor Fault
- Pinpoint Tests BT: PCM ABS Module CAN Link Error
- Pinpoint Tests C: Brake Booster Vacuum Sensor Faults
- Pinpoint Tests CA: Brake Booster Vacuum Sensor Circuit Faults
- Pinpoint Tests CB: Brake Booster Low Vacuum Fault
- Pinpoint Tests CC: Aspirator Valve Control Circuit Faults
- Pinpoint Tests CD: Valve Relay Supply Circuit Fault
- Pinpoint Tests CE: The Auto Hold Feature Is Inoperative, Cannot Be Disabled Or Enabled
- Pinpoint Tests D: ABS Module Communication Concern With BCM
- Pinpoint Tests E: The Traction Control System Is Inoperative Or Cannot Be Disabled Using The Message Center
- Pinpoint Tests F: ABS Module High Voltage Concern
- Pinpoint Tests G: Stability Control Sensor Signal Failure Faults
- Pinpoint Tests H: HCU Pump Faults
- Pinpoint Tests I: ABS Module Communication Concern With PCM - TCM
- Pinpoint Tests J: ABS Module Communication Concern With SASM
- Pinpoint Tests K: SASM Battery Voltage Signal Compare Concern
- Pinpoint Tests L: SASM Signal Failure Faults
- Pinpoint Tests LA: Steering Wheel Position Sensor Signal Fault
- Pinpoint Tests LB: Steering Wheel Position Sensor Faults
- Pinpoint Tests M: Front Wheel Speed Sensor Electrical Faults
- Pinpoint Tests MA: Front Wheel Speed Sensor Electrical Faults
- Pinpoint Tests N: Rear Wheel Speed Sensor Electrical Faults
- Pinpoint Tests NA: Rear Wheel Speed Sensor Electrical Faults
- Pinpoint Tests O: The Traction Control System Is Inoperative Or Cannot Be Disabled Using The Traction Control Switch
- Pinpoint Tests OA: The Hill Descent Control System Is Inoperative Or Cannot Be Disabled
- Pinpoint Tests OB: The Selectable Drive Mode Feature Is Inoperative
- Pinpoint Tests P: SASM Incompatibility Concern
- Pinpoint Tests Q: ABS Module Communication Concern With TCM
- Pinpoint Tests QA: ABS Module Communication Concern With The TCCM
- Pinpoint Tests R: ABS Module Communication Concern With CCM
- Pinpoint Tests S: ABS Module Communication Concern With TBM
- Pinpoint Tests SA: ABS Module Communication Concern With The Park Brake Control Module
- Pinpoint Tests T: SASM Communication Concern With BCM
- Pinpoint Tests U: The Brake Booster Vacuum Pump Is Inoperative
- Pinpoint Tests UA: The Brake Vacuum Pump Is Inoperative
- Pinpoint Tests V: The Brake Booster Vacuum Pump Runs Continuously
- Pinpoint Tests VA: The Brake Vacuum Pump Runs Continuously
- Pinpoint Tests W: The Traction Control Switch LED Indicator Is Always On Or Never On
- Pinpoint Tests X: ABS Temperature Too High
- Pinpoint Tests Y: ABS Module Internal Fault Concern
- Pinpoint Tests Z: ABS Module Configuration Concern
- Pinpoint Tests ZA: Tire Diameter: Invalid/Incompatible Configuration
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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.