DTC B1318 [Dynamic Stability Control]: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • If the battery voltage drops during the inspection, B1318 will be output as a current malfunction and the proper diagnosis cannot be made. Be careful not to let the battery voltage drop. 
DTC B1318 DETECTION CONDITION AND POSSIBLE CAUSE

DTC B1318 Power supply
DETECTION CONDITION 
  • The voltage at DSC HU/CM terminal K is approx. 10 V or less 
POSSIBLE CAUSE 
  • ENGINE 15 A fuse malfunction
  • Open circuit or short to ground in the wiring harness between the DSC HU/CM terminal K and the battery
  • Open circuit or faulty ground in the wiring harness between the DSC HU/CM terminal T and the body ground
  • Battery deterioration
  • Generator malfunction
  • Poor connection at connectors (female terminal)
G04563333Courtesy of MAZDA MOTORS CORP.
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.