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Radar Unit Diagnostic Trouble Codes

DTC Description Refer to
C0049:85 Brake fluid level signal error (Refer to DTC C0049:85 [RADAR UNIT] .)
C0063:54 Mazda radar cruise control (MRCC) system initialization not implemented (Refer to DTC C0063:54 [RADAR UNIT] .)
C1105:62 Brake light signal malfunction (Refer to DTC C1105:62 [RADAR UNIT] .)
C1A67:04 Radar unit internal circuit malfunction (Refer to DTC C1A67:04 [RADAR UNIT] .)
C1A67:4B Radar unit is outside of operation range (ignition power supply, internal temperature) (Refer to DTC C1A67:4B [RADAR UNIT] .)
C1A67:54 Radar unit aiming adjustment not implemented (Refer to DTC C1A67:54 [RADAR UNIT] .)
C1A67:78 Radar unit axis is deviated (Refer to DTC C1A67:78 [RADAR UNIT] .)
C1A67:92 Radar unit sensitivity lowered (Refer to DTC C1A67:92 [RADAR UNIT] .)
C1A67:95 Improper assembly of radar unit (Refer to DTC C1A67:95 [RADAR UNIT] .)
C1A96:62 Brake switch malfunction (Refer to DTC C1A96:62 [RADAR UNIT] .)
P1697:86 Cruise control switch (DISTANCE switch) malfunction signal reception (Refer to DTC P1697:86 [RADAR UNIT] .)
U0001:88 Module communication error (HS-CAN) (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 Communication error with PCM
U0101:00 Communication error with TCM
U0121:00 Communication error with DSC HU/CM
U0131:00 Communication error with electric power steering (EPS) control module
U0140:00 Communication error with front body control module (FBCM)
U0151:00 Communication error with SAS control module
U0155:00 Communication error with instrument cluster
U0214:00 Communication error with start stop unit
U0235:68 Communication error with laser sensor
U023A:00 Communication error with forward sensing camera (FSC)
U0301:09 Error signal received from PCM (Refer to DTC U0301:09 [RADAR UNIT] .)
U0316:09 Error signal received from DSC HU/CM (Refer to DTC U0316:09 [RADAR UNIT] .)
U0320:09 Steering angle signal malfunction (Refer to DTC U0320:09 [RADAR UNIT] .)
U0323:00 Smart brake support (SBS)/mazda radar cruise control (MRCC)-related warning/indication signal error (Refer to DTC U0323:00 [RADAR UNIT] .)
U0401:00 Error signal received from PCM (Refer to DTC U0401:00 [RADAR UNIT] .)
U0402:00 Error signal received from TCM (Refer to DTC U0402:00 [RADAR UNIT] .)
U0415:00 Error signal received from DSC HU/CM (Refer to DTC U0415:00 [RADAR UNIT] .)
U0420:00 Error signal received from electric power steering (EPS) control module (Refer to DTC U0420:00 [RADAR UNIT] .)
U0443:00 Error signal received from rear body control module (RBCM) (Refer to DTC U0443:00 [RADAR UNIT] .)
U0515:00 Error signal received from start stop unit (Refer to DTC U0515:00 [RADAR UNIT] .)
U2300:54 Configuration error (data not received) (Refer to DTC U2300:54/U2300:55/U2300:56 [RADAR UNIT] .)
U2300:55 Configuration error (no configuration)
U2300:56 Configuration error (Ineffective/non-interchangeable data read)
U3000:04 Smart brake support (SBS) system operation malfunction (Refer to DTC U3000:04 [RADAR UNIT] .)
U3000:44 Radar unit configuration information error (Refer to DTC U3000:44 [RADAR UNIT] .)
U3000:49 Radar unit internal malfunction (Refer to DTC U3000:49 [RADAR UNIT] .)
U3003:16 Radar unit power supply voltage decreases (Refer to DTC U3003:16 [RADAR UNIT] .)
U3003:17 Radar unit power supply voltage increases (Refer to DTC U3003:17 [RADAR UNIT] .)