DTC U0001:88/U0100:00/U0101:00/U0104:00/U0131:00/U0151:00/U0155:00/U0235:00 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2893200

DTC
U0001:88, U0100:00, U0101:00, U0131:00, U0104:00, U0151:00, U0155:00, U0235:00
CAN line
DETECTION CONDITION
•  U0001:88
―  Open or short circuit in CAN system wiring harness is detected.
•  U0100:00
―  Communication error with PCM is detected in CAN communication.
•  U0101:00
―  Communication error with TCM is detected in CAN communication.
•  U0131:00
―  Communication error with EPS CM is detected in CAN communication.
•  U0104:00
―  Communication error with vehicle control module (V/C-module) is detected in CAN communication.
•  U0151:00
―  Communication error with SAS control module is detected in CAN communication.
•  U0155:00
―  Communication error with instrument cluster is detected in CAN communication.
•  U0235:00
―  Communication error with laser sensor is detected in CAN communication.
FAIL-SAFE FUNCTION
•  U0001:88
―  Illuminates the ABS warning light, TCS/DSC indicator light, Mazda Radar Cruise Control (MRCC) warning light*1, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1.
―  Tire pressure monitoring system warning light*1 illuminates after flashes.
―  Inhibits the ABS, TCS, DSC, brake assist control, vehicle roll prevention function*1, Hill Launch Assist (HLA), TPMS*1, Secondary Collision Reduction (SCR)*1, Mazda Radar Cruise Control (MRCC)*1, Smart Brake Support (SBS)*1, and Smart City Brake Support (SCBS)*1 controls.
•  U0100:00
―  Illuminates the ABS warning light*2, TCS/DSC indicator light*2, Mazda Radar Cruise Control (MRCC) warning light*1*2, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1*2.
―  Tire pressure monitoring system warning light*1 illuminates after flashes. (Not illuminated/flashed depending on malfunction content.)
―  Inhibits the ABS*3, TCS*3, DSC*3, brake assist control*3, vehicle roll prevention function*1, Hill Launch Assist (HLA)*3, TPMS*1*3, Secondary Collision Reduction (SCR)*1*3, Mazda Radar Cruise Control (MRCC)*1*3, Smart Brake Support (SBS)*1*3, and Smart City Brake Support (SCBS)*1*3 controls.
•  U0101:00
―  Illuminates the TCS/DSC indicator light, Mazda Radar Cruise Control (MRCC) warning light*1, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1.
―  Tire pressure monitoring system warning light*1 illuminates after flashes.
―  Inhibits the TCS, DSC, vehicle roll prevention function*1*3, Hill Launch Assist (HLA)*3, TPMS*1, Secondary Collision Reduction (SCR)*1, Mazda Radar Cruise Control (MRCC)*1*3, Smart Brake Support (SBS)*1*3, and Smart City Brake Support (SCBS)*1 controls.
•  U0104:00
―  Illuminates the Mazda Radar Cruise Control (MRCC) warning light and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber).
―  Inhibits the Mazda Radar Cruise Control (MRCC) and Smart Brake Support (SBS) control.
•  U0131:00
―  Illuminates the TCS/DSC indicator light, Mazda Radar Cruise Control (MRCC) warning light*1, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1.
―  Tire pressure monitoring system warning light*1 illuminates after flashes.
―  Inhibits the TCS, DSC, TPMS*1, Secondary Collision Reduction (SCR)*1, Mazda Radar Cruise Control (MRCC)*1, Smart Brake Support (SBS)*1, and Smart City Brake Support (SCBS)*1 controls.
•  U0151:00
―  Illuminates the TCS/DSC indicator light, Mazda Radar Cruise Control (MRCC) warning light*1*2, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1.
―  Tire pressure monitoring system warning light*1 illuminates after flashes. (Not illuminated/flashed depending on malfunction content.)
―  Inhibits the TCS*3, DSC*3, brake assist control*3, vehicle roll prevention function*1*3, Hill Launch Assist (HLA)*3, TPMS*1*3, Secondary Collision Reduction (SCR)*1*3, Mazda Radar Cruise Control (MRCC)*1, Smart Brake Support (SBS)*1, and Smart City Brake Support (SCBS)*1*3 controls.
•  U0155:00
―  Illuminates the ABS warning light*2, TCS/DSC indicator light*2, Mazda Radar Cruise Control (MRCC) warning light*1*2, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1*2.
―  Tire pressure monitoring system warning light*1 illuminates after flashes. (Not illuminated/flashed depending on malfunction content.)
―  Inhibits the ABS*3, TCS*3, DSC*3, brake assist control*3, vehicle roll prevention function*1*3, Hill Launch Assist (HLA)*3, TPMS*1*3, Secondary Collision Reduction (SCR)Smart City Brake Support (SCBS)*1*3, Mazda Radar Cruise Control (MRCC)*1*3, Smart Brake Support (SBS)*1*3, and Smart City Brake Support (SCBS)*1*3 controls.
•  U0235:00
―  Illuminates the Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber).
―  Inhibits the Smart City Brake Support (SCBS) control.
POSSIBLE CAUSE
•  CAN system wiring harness open or short circuit
•  CAN system wiring harness open or short circuit with PCM
•  CAN system wiring harness open or short circuit with TCM
•  CAN system wiring harness open or short circuit with EPS CM
•  CAN system wiring harness open or short circuit with vehicle control module (V/C-module)
•  CAN system wiring harness open or short circuit with SAS control module
•  CAN system wiring harness open or short circuit with instrument cluster
•  CAN system wiring harness open or short circuit with laser sensor
•  instrument cluster malfunction
SYSTEM WIRING DIAGRAM
Not applicable

*1  :If equipped.
*2  :Not illuminated depending on malfunction content.
*3  :Control enabled depending on malfunction content.

Diagnostic procedure

•  Inspect according to diagnostic procedure in MULTIPLEX COMMUNICATION SYSTEM. (See FOREWORD [SKYACTIV-D 2.2 (ATX), MZR 1.6].) (See FOREWORD [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5, SKYACTIV-D 2.2 (MTX)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 1.5].)