SCM / RCM / Programming guide

SUSPENSION & RIDE CONTROL MODULE

Controls adaptive dampers, air springs, ride height, active roll systems and chassis-leveling requests.

MODULE GUIDE15/38

01Ride-control software update

02Replacement module configuration

03Damper / air-suspension coding

04Ride-height calibration

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

Chassis CAN/CAN FD is typical; FlexRay appears on some active-chassis systems. Dampers, valve blocks, height sensors and pumps may be hard-wired, SENT or connected on a local LIN branch.

DIAGNOSTIC TRANSPORT

Programming access

Usually UDS over CAN/CAN FD through a gateway. Ride-height calibration and component initialization follow programming and require defined loading and floor conditions.

PROGRAMMING TOPOLOGY

Critical online dependencies

ABS/ESC, steering, body/gateway, height sensors and active-roll or rear-steering controllers may need to remain online. Verify network data before adjusting hardware.

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 height-sensor values, suspension mode, pressure data and original configuration.
  2. Verify tire pressure, vehicle loading, level floor and mechanical suspension condition.
  3. Program and code the module for springs, dampers, wheelbase and chassis options.
  4. Calibrate every required ride-height sensor and initialize valves, pumps or dampers.
  5. Command raise, lower and damping modes while checking symmetry, leaks and current draw.

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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