DTC Troubleshooting

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION 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.
C1155: TROUBLESHOOTING FLOW CHART

Step Action YES NO
Was "EPS System Check" performed?  Go to Step 2. Go to EPS SYSTEM CHECK: ELECTRIC TYPE .
P/S control module power supply and ground circuit check 
Check power supply circuit and ground circuit for P/S control module referring to P/S CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT CHECK: ELECTRIC TYPE .
Is check result in good condition? 
Go to Step 3. Repair or replace defective circuit.
Battery voltage check 
  1. Check voltage between positive (+) battery terminal and vehicle body ground with engine speed at 3000 RPM.

Is voltage 15.5 V or less? 
Replace P/S control module. Check charging system referring to GENERATOR TEST .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.