WOMS
U code network Medium severity

U017E Lost Communication With Seatbelt Pretensioner Module "A

The OBD2 code U017E indicates a loss of communication with the seatbelt pretensioner module "A," which means the vehicle's diagnostic system is unable to receive data from that specific module

Definition

The OBD2 code U017E indicates a loss of communication with the seatbelt pretensioner module "A," which means the vehicle's diagnostic system is unable to receive data from that specific module

Common causes

  • Faulty seatbelt pretensioner module
  • Damaged wiring or connectors
  • Poor electrical connections
  • Short circuit in the wiring harness
  • Corroded connectors
  • Faulty body control module (BCM)
  • Software issues or glitches
  • Blown fuse related to the seatbelt system

Common misdiagnoses

  • Faulty seatbelt pretensioner module
  • Wiring issues or damaged connectors
  • Faulty airbag control module
  • Issues with the body control module (BCM)
  • Faulty seatbelt switch
  • Problems with the diagnostic tool or software
  • Battery or power supply issues

Troubleshooting steps

  1. 1. Check for Other Codes

    Use an OBD-II scanner to check for any additional trouble codes. Sometimes, multiple codes can provide more context about the issue

  2. 2. Inspect the Wiring and Connectors

    Visual Inspection: Check the wiring harness and connectors related to the seatbelt pretensioner module for any signs of damage, corrosion, or loose connections

  3. 3. Connector Pins

    Ensure that the pins in the connectors are not bent or corroded

  4. 4. Test the Seatbelt Pretensioner Module

    If accessible, test the seatbelt pretensioner module for proper operation. This may require specialized equipment or a professional diagnostic tool

  5. 5. Check for Power and Ground

    Use a multimeter to check if the seatbelt pretensioner module is receiving the correct voltage and ground. Refer to the vehicle’s wiring diagram for the correct pinouts

  6. 6. Inspect the CAN Bus System

    Since communication issues often involve the Controller Area Network (CAN) bus, check for any faults in the CAN wiring or other modules that may be affecting communication

  7. 7. Look for shorts, opens, or other issues in the CAN bus wiring

  8. 8. Reset the Codes

    After performing inspections and repairs, clear the codes using the OBD-II scanner and see if the code returns. Sometimes, a temporary glitch can cause communication issues

  9. 9. Check for Software Updates

    Verify if there are any software updates available for the vehicle’s modules. Sometimes, manufacturers release updates to fix communication issues

  10. 10. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the seatbelt pretensioner module or communication issues for your specific vehicle make and model

  11. 11. Professional Diagnosis

    If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They may have access to advanced diagnostic tools and resources

  12. 12. Replace the Module (if necessary)

    If all other troubleshooting steps fail and the module is confirmed to be faulty, replacing the seatbelt pretensioner module may be necessary.Safety Note Always remember that the seatbelt pretensioner is a critical safety component. If you are not comfortable performing these diagnostics or repairs, it is best to consult a professional