C1091

DTC C1091 / C1094: CAN Invalid Data from ECM / Torque Request Reject Status

DTC Detecting Condition and Trouble Area






DTC Troubleshooting

1.
Was "Electronic Stability Program Check" performed?
YES -
Go to Step 2.
NO -
Go to (ESP) Check Electronic Stability Program Check.

2. DTC check for ECM

Connect SUZUKI scan tool to DLC with ignition switch turned OFF.
Turn ignition switch ON and check DTC for ECM.

Is there any DTC(s)?
YES -
Go to applicable DTC troubleshooting.
NO -
Substitute a known-good ESP(R) hydraulic unit / control module assembly and recheck.