TPMS / RDC / Programming guide

TIRE-PRESSURE MONITORING MODULE

Receives wheel-sensor transmissions, identifies positions and reports pressure, temperature and warning status.

MODULE GUIDE25/38

01TPMS software update

02Replacement receiver setup

03Region / threshold coding

04Sensor registration and position learn

PROGRAMMING DECISION GATES

Identify, protect and recover the operation

Do not treat every service event as a simple flash. Determine what must be transferred, authorized, calibrated and verified before writing software.

01 / IDENTIFY

Define the operation

  • Separate a software update from replacement setup, coding, security pairing and calibration.
  • Record the current software, part number, VIN and configuration before changing anything.
02 / COMPATIBILITY

Pass the compatibility gate

  • Confirm part number, hardware level, supersession, region, options and new-versus-used restrictions.
  • Verify the OEM tool, subscription, interface and required security credentials.
03 / PRESERVE

Protect data and sequence

  • Save the pre-scan, identification, as-built data and learned values the procedure permits you to restore.
  • Follow the OEM module order, ignition states and CAN FD or DoIP transport requirements exactly.
04 / RECOVER

Respond to interruption

  • Do not cycle the ignition or disconnect power unless the OEM recovery prompt directs it.
  • Preserve the error, verify support voltage and communication, then use the approved recovery or bootloader routine.

NETWORK & PROGRAMMING ACCESS

Likely architecture paths

These are common implementations, not a vehicle-specific pinout. Confirm the exact topology, protocol and gateway route in current OEM service information before connecting or programming.

VEHICLE COMMUNICATION

Possible networks

Body CAN/CAN FD links the receiver; wheel sensors use LF wake-up and UHF radio rather than CAN. Some receivers are integrated into the BCM.

DIAGNOSTIC TRANSPORT

Programming access

UDS over body CAN is common; sensor registration may use a scan tool, trigger tool or defined drive cycle.

PROGRAMMING TOPOLOGY

Critical online dependencies

BCM/gateway, cluster, keyless receiver antennas and all wheel sensors may participate depending on architecture.

BEFORE CONNECTING

✓ Correct part number, hardware level and software package✓ OEM service information, application and active subscription✓ Approved interface and stable OEM-specified support supply✓ Complete pre-scan, identification and configuration saved✓ Communication, power and ground faults resolved

COMPLETE PROGRAMMING SEQUENCE

  1. Record sensor IDs, wheel positions, pressure units and market configuration.
  2. Verify sensor frequency, battery condition, tire pressure and receiver antennas.
  3. Program the correct region, axle count and placard thresholds.
  4. Register sensor IDs and perform stationary or drive learn as specified.
  5. Confirm each wheel position, live pressure and warning threshold.

POST-PROGRAMMING VERIFICATION

  • Identification and calibration match the intended repair
  • Every required setup or calibration reports complete
  • No programming, configuration or communication DTCs return
  • System operation is confirmed under safe operating conditions
VEHICLE-SPECIFIC DATA WINS

Software, subscriptions, security access, voltage targets and ignition sequences vary by manufacturer and model.

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