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MAZDA

04-002-13-2812

Manufacturer communications

Publication date
2013-07-17
Received by NHTSA
2017-04-14
NHTSA record numbers
10097406

Manufacturer summary

Original wording in English

SOME VEHICLES (EQUIPPED WITH DSC) MAY EXPERIENCE THE ABS WARNING LIGHT ON WITH DTCS C0020:1C AND U0415:92 STORED IN MEMORY. C0020:71 MAY ALSO BE STORED.
• DTC C0020:1C: ABS MOTOR MONITOR SIGNAL DOES NOT CORRESPOND TO ABS HU/CM ON/OFF SIGNAL.
• DTC U0415:92: ERROR SIGNAL FROM ABS HU/CM OR DSC HU/CM.
• DTC 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. THIS CONCERN MAY OCCUR IF THE VEHICLE IS USED IN AN AREA WITH HIGH AMBIENT TEMPERATURES AND HUMIDITY. UNDER THESE CONDITIONS, THE PUMP MOTOR BRUSH IN THE ABS HYDRAULIC UNIT MAY HAVE POOR CONTACT CAUSING THE ABS WARNING LIGHT TO TURN ON. TO CORRECT THE PROBLEM, THE MATERIAL OF THE MOTOR BRUSH HAS BEEN CHANGED.

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

MazdaC0020:1C
ABS MOTOR MONITOR SIGNAL DOES NOT CORRESPOND TO ABS HU/CM ON/OFF SIGNAL

NHTSA 10097406

MazdaC0020:71
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

NHTSA 10097406

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
MazdaMAZDA32011
MazdaMAZDA32010

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