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Home >> Suzuki >> 2013 >> SX4 LE, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Electronic Stability Program) >> Diagnostic Information and Procedures >> DTC C1091/C1094: CAN Invalid Data from ECM/Torque Request Reject Status >> DTC Troubleshooting
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DTC Troubleshooting

WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
C1091/C1094: SYMPTOM TROUBLESHOOTING REFERENCE CHART

Step Action YES NO
Was "Electronic Stability Program Check" performed?  Go to Step 2. Go to ELECTRONIC STABILITY PROGRAM CHECK .
DTC check for ECM 
  1. Connect SUZUKI scan tool to DLC with ignition switch turned OFF.
  2. Turn ignition switch ON and check DTC for ECM.

Is there any DTC(s)? 
Go to applicable DTC troubleshooting. Substitute a known-good ESP® hydraulic unit/control module assembly and recheck.