03409

03409 - Rolling Mode Recognized

Possible Symptoms

• DTC stored in ABS
• MIL/Warning lamps may illuminate
• No actual drivability complaint in most cases

Possible Causes

• Vehicle operated on a chassis dynamometer (rolling road)
• Front or drive wheels spinning while vehicle is on a lift
• Mismatch between wheel speed signals and vehicle operating conditions

Possible Solutions

• Clear DTC after completing work on a chassis dynamometer
• Cycle ignition OFF → wait ~10 seconds → ON, then clear codes
• Ensure vehicle is operated on approved test equipment when simulating road load
• No component replacement is required unless additional faults are present

Special Notes

• According to the manufacturer: The malfunction will be automatically erased if, after completing work on the roller chassis dynamometer, the ignition has been switched off and on again.
• It is possible to set this code when the vehicle is on a service lift, in gear and the drive wheels are spinning.
• If the DTC recurs under normal road use, investigate wheel speed sensors and ABS system further.