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DTC Table [Radar Unit]

X: Applicable -: Not applicable
DTC No. Warning indication (1), (2) HBC warning light (amber) (1) Description Fail-safe Drive cycle Self test type(3) Memory function Refer to
Mazda radar cruise control (MRCC) Smart brake support (SBS) Distance recognition support system (DRSS)
C0049:85 Display - Brake fluid level signal error X X X - C X (Refer to DTC C0049:85 [RADAR UNIT] .)
C0063:54 Display - Mazda radar cruise control (MRCC) system initialization not implemented X X X - C X (Refer to DTC C0063:54 [RADAR UNIT] .)
C1105:62 Display - Brake light signal malfunction X X X - C X (Refer to DTC C1105:62 [RADAR UNIT] .)
C1A67:04 Display - Radar unit internal circuit malfunction X X X - C X (Refer to DTC C1A67:04 [RADAR UNIT] .)
C1A67:4B Display - Radar unit is outside of operation range (ignition power supply, internal temperature) X X X - C X (Refer to DTC C1A67:4B [RADAR UNIT] .)
C1A67:54 Display - Radar unit aiming adjustment not implemented X X X - C X (Refer to DTC C1A67:54 [RADAR UNIT] .)
C1A67:78 Display - Radar unit axis is deviated X X X - C X (Refer to DTC C1A67:78 [RADAR UNIT] .)
C1A67:92(4) Display - Radar unit sensitivity lowered X X X - C X (Refer to DTC C1A67:92 [RADAR UNIT] .)
C1A67:95 Display - Improper assembly of radar unit X X X - C X (Refer to DTC C1A67:95 [RADAR UNIT] .)
C1A96:62 Display - Brake switch malfunction X X X - C X (Refer to DTC C1A96:62 [RADAR UNIT] .)
P1697:86 Display - Cruise control switch (DISTANCE switch) malfunction signal reception X - - - C X (Refer to DTC P1697:86 [RADAR UNIT] .)
U0001:88 Display - Module communication error (HS-CAN) X X X - C X (Refer to DTC U0001:88/U0100:00/U0101:00/U0121:00/U0131:00/U0140:00/U0151:00/U0155:00/U0214:00/U0235:68/U023A:00 [RADAR UNIT] .)
U0100:00 Display - Communication error with PCM X - - - C X
U0101:00 Display - Communication error with TCM X - - - C X
U0121:00 Display - Communication error with DSC HU/CM X X X - C X
U0131:00 Display - Communication error with electric power steering (EPS) control module X X X - C X
U0140:00 Display - Communication error with front body control module (FBCM) X X - - C X
U0151:00 Display - Communication error with SAS control module X X X - C X
U0155:00 Display - Communication error with instrument cluster X X X - C X
U0214:00 Display - Communication error with start stop unit X X X - C X
U0235:68 Display - Communication error with laser sensor - X - - C X
U023A:00 Display Illuminated Communication error with forward sensing camera (FSC) - X - - C X
U0301:09 Display - Error signal received from PCM X - - - C X (Refer to DTC U0301:09 [RADAR UNIT] .)
U0316:09(5) Display - Error signal received from DSC HU/CM X X X - C X (Refer to DTC U0316:09 [RADAR UNIT] .)
U0320:09 Display - Steering angle signal malfunction X X X - C X (Refer to DTC U0320:09 [RADAR UNIT] .)
U0323:00 Display - Smart brake support (SBS)/mazda radar cruise control (MRCC)-related warning/indication signal error X X X - C X (Refer to DTC U0323:00 [RADAR UNIT] .)
U0401:00 Display - Error signal received from PCM X X X - C X (Refer to DTC U0401:00 [RADAR UNIT] .)
U0402:00 Display - Error signal received from TCM X - - - C X (Refer to DTC U0402:00 [RADAR UNIT] .)
U0415:00 Display - Error signal received from DSC HU/CM X X - - C X (Refer to DTC U0415:00 [RADAR UNIT] .)
U0420:00 Display - Error signal received from electric power steering (EPS) control module X X X - C X (Refer to DTC U0420:00 [RADAR UNIT] .)
U0443:00 Display - Error signal received from rear body control module (RBCM) X X - - C X (Refer to DTC U0443:00 [RADAR UNIT] .)
U0515:00 Display - Error signal received from start stop unit X X X - C X (Refer to DTC U0515:00 [RADAR UNIT] .)
U2300:54 Display - Configuration error (data not received) X X X - C X (Refer to DTC U2300:54/U2300:55/U2300:56 [RADAR UNIT] .)
U2300:55 Display - Configuration error (no configuration) X X X - C X
U2300:56 Display - Configuration error (Ineffective/non-interchangeable data read) X X X - C X
U3000:04 Display - Smart brake support (SBS) system operation malfunction X X X - C X (Refer to DTC U3000:04 [RADAR UNIT] .)
U3000:44 Display - Radar unit configuration information error X X X - C X (Refer to DTC U3000:44 [RADAR UNIT] .)
U3000:49 Display - Radar unit internal malfunction X X X - C X (Refer to DTC U3000:49 [RADAR UNIT] .)
U3003:16 Display - Radar unit power supply voltage decreases X X X - C X (Refer to DTC U3003:16 [RADAR UNIT] .)
U3003:17 Display - Radar unit power supply voltage increases X X X - C X (Refer to DTC U3003:17 [RADAR UNIT] .)
(1) With multi-information display
(2) If multiple warnings are displayed, they are displayed in order of importance and it is necessary to change the screen.
(3) C: CMDTC self test, D: ODDTC self test
(4) If both the front and rear wheels are rotated using a 2 or 4-wheel chassis dynamometer, the radar unit determines that there is an error in the location information of the object which is detected by the radar unit. As a result, the radar unit detects DTC C1A67:92, and at the same time it displays a warning indication in the multi-information display and turns on the HBC warning light (amber). The warning indication displayed in the multi-information display disappears and the HBC warning light (amber) turns off when the ignition is switched OFF after the vehicle is removed from the 2 or 4-wheel chassis dynamometer. The stored DTC C1A67:92 can be cleared from the memory using the M-MDS.
(5) If either the front or rear wheels are rotated using a 2-wheel chassis dynamometer, the DSC HU/CM determines that the DSC is malfunctioning. As a result, the radar unit also determines a malfunction and detects DTC U0316:09, and at the same time it displays a warning indication in the multi-information display and turns on the HBC warning light (amber). The warning indication displayed in the multi-information display disappears and the HBC warning light (amber) turns off when the vehicle is driven at 10 km/h or more after the vehicle is removed from the 2-wheel chassis dynamometer, ignition is switched OFF and then switched back ON (engine on). The stored DTC U0316:09 can be cleared from the memory using the M-MDS.
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