DTC C0020:01/C0020:11/C0020:13/C0020:16/C0020:1C/C0020:71 [Dynamic Stability Control (DSC)]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION AND POSSIBLE CAUSE

C0020:01	Pump motor, motor relay
C0020:11
C0020:13
C0020:16
C0020:1C
C0020:71
DETECTION CONDITION	C0020:01 Open circuit in motor relay monitor circuit is detected for 2 s , while the relay is off. C0020:11 Motor relay monitor ON is detected for 4 s , while the relay is off. C0020:13 Motor relay monitor off is detected for 0.12 s , while the relay is ON and motor fail-safe relay is off. Motor relay monitor off is detected for 0.12 s , while the relay monitor is ON C0020:16 The voltage less than motor relay monitor off is detected for 4 s , while the relay is ON and motor failsafe relay is off C0020:1C Motor relay monitor off is detected for 0.12 s , while the relay is ON C0020:71 Motor relay monitor voltage of 2 V or less is detected for a continuous 24 ms from when it has become 4.7 V or less after the motor check is initially operated.
POSSIBLE CAUSE	Fuse malfunction MAIN 125 A fuse ABS MOTOR 60 A fuse Pump motor operation malfunction Connector or terminal malfunction Open circuit in wiring harness between DSC HU/CM terminal B and body ground Short to ground in wiring harness between battery positive terminal and DSC HU/CM terminal AH Open circuit in wiring harness between battery positive terminal and DSC HU/CM terminal AH DSC HU/CM malfunction Motor relay malfunction
Courtesy of MAZDA MOTORS CORP.