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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2021EXPLORER XLT, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 147 (SECM GUIDED ROUTINE TESTING)
2021 Ford Explorer XLT, RWD
Section 147 (SECM Guided Routine Testing)
2021 Ford Explorer XLT, RWDSECTION Section 147 (SECM Guided Routine Testing)
WARNING: This page is about a different car, the 2018 Lincoln MKX and 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
- DTC/Symptom Selection
- DTC Index
- Notes
- DTC B135C: Heater Element
- DTC B137F: Steering Wheel Left Switch Pack
- DTC B1380: Steering Wheel Right Switch Pack
- DTC B13BD: Steering Wheel Heater Module
- DTC C100B: Motor Drive Current
- DTC C100C: Steering Tracking
- DTC C1039: Active Front Steering (AFS) Lock: Emergency Position Not Reachable
- DTC C1B00: Steering Angle Sensor
- DTC C2003: Steering Wheel Switch Left Module
- DTC C200D: Motor Rotation 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 U0126: Lost Communication With Steering Angle Sensor Module
- DTC U0131: Lost Communication With Power Steering Control Module
- DTC U0146: Lost Communication With Gateway "A"
- DTC U0151: Lost Communication With Restraints Control Module
- DTC U0212: Lost Communication With Steering Column Control Module
- DTC U023A: Lost Communication With Image Processing Module A
- DTC U0401: Invalid Data Received from ECM/PCM "A"
- DTC U0415: Invalid Data Received From Anti-Lock Brake System (ABS) Control Module
- DTC U0420: Invalid Data Received From Power Steering Control Module
- DTC U0428: Invalid Data Received From Steering Angle Sensor Module
- DTC U0452: Invalid Data Received From Restraints Control Module
- DTC U0556: Invalid Data Received From Front Display Interface Module
- DTC U0557: Invalid Data Received From Front Controls Interface Module "A"
- DTC U1000: Solid State Driver Protection Active - Driver Disabled
- DTC U2000: Motor Temperature
- DTC U2001: Reduced System Function
- DTC U2002: Switch
- DTC U2011: Motor
- DTC U2016: Control Module Main Software
- DTC U201A: Control Module Main Calibration Data
- DTC U2100: Initial Configuration Not Complete
- DTC U2101: Control Module Configuration Incompatible
- DTC U210A: Temperature Sensor
- DTC U3000: Control Module
- DTC U3003: Battery Voltage
- Symptom Chart - Adaptive Steering System
- DTC Index
- Pinpoint Tests
- Pinpoint Tests A: SECM Low Voltage Concern
- Pinpoint Tests B: SECM High Voltage Concern
- Pinpoint Tests C: Lost Communication With PCM Concern
- Pinpoint Tests D: Lost Communication With ABS Module Concern
- Pinpoint Tests E: Lost Communication With SASM Concern
- Pinpoint Tests F: Lost Communication with PSCM Concern
- Pinpoint Tests G: Lost Communication with GWM Concern
- Pinpoint Tests H: Lost Communication With RCM Concern
- Pinpoint Tests I: SECM Motor Concern
- Pinpoint Tests J: SECM Internal Fault Concern
- Pinpoint Tests K: Steering Lock Concern
- Pinpoint Tests L: SECM High Current Concern
- Pinpoint Tests M: SECM Temperature Concern
- Pinpoint Tests N: SECM Configuration Concern
- Pinpoint Tests O: Lost Communication With SCCM Concern
- Pinpoint Tests P: Lost Communication With Image Processing Module A Concern
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.