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2002 VOLVO S80
2.9L I6•AWD•AUTOMATIC•gas•B6294S
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1005Torque6617Fluid14DTC1718Battery2Maintenance0Recalls5
C0300high severityChassis

Electronic Suspension Control Module

on 2002 Volvo S80 2.9L I6 · AWD

What this code means

General internal fault in the electronic suspension control module.

Symptoms

  • Suspension warning light
  • Ride quality degraded
  • Vehicle riding at fixed height
  • Service suspension message

Common causes

  • Module internal failure
  • Module power supply issue
  • Software error
  • CAN communication fault

Diagnostic steps

  1. Check module power and ground connections
  2. Scan for CAN communication codes
  3. Attempt module reset
  4. Check for software updates
  5. Inspect module connector

Repair notes

Replace electronic suspension control module. Program and calibrate after installation.

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