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Home >> Mazda >> 2016 >> 6 Touring, Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> On-Board Diagnostics [Dynamic Stability Control] >> DTC C0020-01; C0020-11; C0020-13; C0020-16; C0020-1C; C0020-71: Pump Motor (Motor Relay) >> Notes

DTC C0020-01; C0020-11; C0020-13; C0020-16; C0020-1C; C0020-71: Pump Motor (Motor Relay): Notes

DTC C0020:01, C0020:11, C0020:13,
C0020:16, C0020:1C, C0020:71
Pump motor, motor relay
DETECTION CONDITION 
  • C0020:01, C0020:11, C0020:16
    • Motor relay signal does not correspond to DSC HU/CM OFF signal.
  • C0020:13, C0020:1C
    • Motor relay signal does not correspond to DSC HU/CM ON signal.
  • C0020:71
    • DSC HU/CM motor monitor ON signal is not input within specified time limit or more when motor signal is switched from ON to OFF by DSC HU/CM.
FAIL-SAFE FUNCTION 
POSSIBLE CAUSE 
  • Fuse (ABS/DSC M 50A) malfunction
  • Open circuit or short to ground in the wiring harness between the battery and DSC HU/CM terminal AH
  • Open circuit in the wiring harness between DSC HU/CM terminal B and body ground
  • Open or short circuit in DSC HU/CM internal motor relay, or stuck motor relay
  • Open or short circuit in DSC HU/CM internal pump motor, or frozen pump motor
  • Poor connection at connectors (female terminal)
G10985919