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Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> On-Board Diagnostic - Start Stop Unit >> DTC Table [Start Stop Unit] >> Start Stop Unit

Start Stop Unit

x: Applicable-: Not applicable

DTC DESCRIPTION - START STOP UNIT

DTC No. KEY warning light (red) Push button start indicator light (amber) Description Fail-safe Drive cycle Self test type(1) Memory function Refer to
B108B:23 - Flash Push button start switch 1 circuit malfunction x - C x (See DTC B108B:23 [START STOP UNIT] .)
B108B:24 - Flash Push button start switch 1 circuit malfunction - - C x (See DTC B108B:24 [START STOP UNIT] .)
B108C:23 - Flash Push button start switch 2 circuit malfunction x - C x (See DTC B108C:23 [START STOP UNIT] .)
B108C:24 - Flash Push button start switch 2 circuit malfunction - - C x (See DTC B108C:24 [START STOP UNIT] .)
B10AC:13(2) - - Cruise control switch circuit malfunction - - C x (See DTC B10AC:13 [START STOP UNIT] .)
B10AC:23(2) - - Cruise control switch circuit malfunction - - C x (See DTC B10AC:23 [START STOP UNIT] .)
B10C9:1F(3) On - Keyless antenna (interior, front) circuit malfunction - - C, D x (See DTC B10C9:1F [START STOP UNIT] .)
B10E7:11 - Flash IG1 relay circuit malfunction - - C x (See DTC B10E7:11 [START STOP UNIT] .)
B10E7:12 - Flash IG1 relay circuit malfunction - - C x (See DTC B10E7:12 [START STOP UNIT] .)
B10E7:16 - Flash IG1 relay circuit malfunction - - C x (See DTC B10E7:16 [START STOP UNIT] .)
B10E7:17 - Flash IG1 relay circuit malfunction - - C x (See DTC B10E7:17 [START STOP UNIT] .)
B112A:11 - Flash IG2 relay circuit malfunction - - C x (See DTC B112A:11 [START STOP UNIT] .)
B124C:56 - - Turn switch internal circuit malfunction - - C x (See DTC B124C:56 [START STOP UNIT] .)
B13D3:16 - - Low remote transmitter battery voltage - - C x (See DTC B13D3:16 [START STOP UNIT] .)
B13D3:4A On - Remote transmitter matching malfunction - - C x (See DTC B13D3:4A [START STOP UNIT] .)
B13D3:97 - - Remote transmitter registration work not completed - - C x (See DTC B13D3:97 [START STOP UNIT] .)
B1C53:13 - - Wiper switch circuit malfunction - - C x (See DTC B1C53:13 [START STOP UNIT] .)
C0040:23(4) - Flash Brake switch (No. 1 signal) circuit malfunction x - C x (See DTC C0040:23 [START STOP UNIT] .)
C0040:24(4) - Flash Brake switch (No. 1 signal) circuit malfunction x - C x (See DTC C0040:24 [START STOP UNIT] .)
C0051:2F(5) - - Steering angle sensor signal error - - C x (See DTC C0051:2F [START STOP UNIT] .)
C0051:95(5) - - Steering angle sensor assembly malfunction - - C x (See DTC C0051:95 [START STOP UNIT] .)
C0052:14(5) - - Steering angle sensor A signal circuit malfunction - - C x (See DTC C0052:14 [START STOP UNIT] .)
C0052:2F(5) - - Steering angle sensor A signal malfunction - - C x (See DTC C0052:2F [START STOP UNIT] .)
C0053:14(5) - - Steering angle sensor B signal circuit malfunction - - C x (See DTC C0053:14 [START STOP UNIT] .)
C0053:2F(5) - - Steering angle sensor B signal malfunction - - C x (See DTC C0053:2F [START STOP UNIT] .)
C2003:13(6) - - Open circuit in steering switch - - C x (See DTC C2003:13 [START STOP UNIT] .)
P0615:11 - Flash Starter relay circuit malfunction - - C x (See DTC P0615:11 [START STOP UNIT] .)
P0615:12 - Flash Starter relay circuit malfunction x - C x (See DTC P0615:12 [START STOP UNIT] .)
P0615:13 - Flash Starter relay circuit malfunction - - C x (See DTC P0615:13 [START STOP UNIT] .)
P0615:16 - Flash Starter relay circuit malfunction - - C x (See DTC P0615:16 [START STOP UNIT] .)
P0616:23 - - Circuit malfunction on downstream side of starter relay - - C x (See DTC P0616:23 [START STOP UNIT] .)
P0616:24 - - Circuit malfunction on downstream side of starter relay - - C x (See DTC P0616:24 [START STOP UNIT] .)
P0616:29 - - Downstream side of starter relay signal malfunction - - C x (See DTC P0616:29 [START STOP UNIT] .)
P081C:23(4) - Flash NOT P position switch circuit malfunction x - C x (See DTC P081C:23 [START STOP UNIT] .)
P081C:24(4) - Flash NOT P position switch circuit malfunction x - C x (See DTC P081C:24 [START STOP UNIT] .)
P081D:29(7) - Flash Neutral switch error signal received x - C x (See DTC P081D:29 [START STOP UNIT] .)
P081D:2F(7) - Flash Neutral switch signal mismatch x - C x (See DTC P081D:2F [START STOP UNIT] .)
P0830:23(7) - Flash Clutch pedal position switch circuit malfunction x - C x (See DTC P0830:23 [START STOP UNIT] .)
P0850:23(4) - Flash Transmission range switch circuit malfunction x - C x (See DTC P0850:23 [START STOP UNIT] .)
P0850:24(4) - Flash Transmission range switch circuit malfunction x - C x (See DTC P0850:24 [START STOP UNIT] .)
P0930:71(4) - - Shift-lock solenoid circuit malfunction x - C x (See DTC P0930:71 [START STOP UNIT] .)
P1708:24(7) - Flash Starter interlock switch circuit malfunction x - C x (See DTC P1708:24 [START STOP UNIT] .)
P1708:29(7) - Flash Starter interlock switch circuit or clutch pedal position switch circuit malfunction x - C x (See DTC P1708:29 [START STOP UNIT] .)
P1794:16 - Flash Start stop unit power supply voltage (terminal 2W) low input - - C x (See DTC P1794:16 [START STOP UNIT] .)
U0001:88 On Flash Module communication error (HS-CAN) x - C x (See DTC U0001:88/U0100:00/U0101:00/U0121:00/U0121:87/U0131:00/U0140:00/U0146:00/U0151:00/U0155:00 [START STOP UNIT] .)
U0028:87 On - Communication error with BCM x - C x (See DTC U0028:87 [START STOP UNIT] .)
U0100:00 On Flash Communication error with PCM x - C x (See DTC U0001:88/U0100:00/U0101:00/U0121:00/U0121:87/U0131:00/U0140:00/U0146:00/U0151:00/U0155:00 [START STOP UNIT] .)
U0101:00(4) - Flash Communication error with TCM x - C x (See DTC U0001:88/U0100:00/U0101:00/U0121:00/U0121:87/U0131:00/U0140:00/U0I46:00/U0I5I:00/U0155:00 [START STOP UNIT] .)
U0121:00 On Flash Communication error with DSC HU/Control Module x - C x
U0121:87 On Flash Communication error with DSC HU/Control Module x - C x
U0131:00 - - Communication error with electric power steering (EPS) control module x - C x
U0140:00 - - Communication error with BCM x - C x
U0146:00 On Flash Communication error with BCM x - C x
U0151:00 On Flash Communication error with SAS control module x - C x
U0155:00 On Flash Communication error with instrument cluster x - C x
U0447:86 On Flash Error signal received from BCM x - C x (See DTC U0447:86 [START STOP UNIT] .)
U201F:11 On - Keyless receiver circuit malfunction - - C x (See DTC U201F:11 [START STOP UNIT] .)
U201F:12 On - Keyless receiver circuit malfunction - - C x (See DTC U201F:12 [START STOP UNIT] .)
U2100:00 On - Start stop unit configuration not completed x - C x (See DTC U2100:00 [START STOP UNIT] .)
U2300:00 - - Configuration data not received from instrument cluster x - C x (See DTC U2300:00 [START STOP UNIT] .)
U3000:01(5) - - Start stop unit internal malfunction - - C x (See DTC U3000:01 [START STOP UNIT] .)
U3000:49 On Flash Start stop unit internal malfunction x - C x (See DTC U3000:49 [START STOP UNIT] .)
U3000:96 On Flash Start stop unit malfunction - - C x (See DTC U3000:96 [START STOP UNIT] .)
U3003:16 On - Start stop unit power supply voltage (terminal 1A) low input x - C x (See DTC U3003:16 [START STOP UNIT] .)
U3004:11 - Flash ACC relay circuit malfunction - - C x (See DTC U3004:11 [START STOP UNIT] .)
U3004:12 - Flash ACC relay circuit malfunction - - C x (See DTC U3004:12 [START STOP UNIT] .)
U3004:16 - - ACC relay circuit malfunction - - C x (See DTC U3004:16 [START STOP UNIT] .)
U3004:17 - - ACC relay circuit malfunction - - C x (See DTC U3004:17 [START STOP UNIT] .)
(1) C: CMDTC self test, D: ODDTC self test

(2) With cruise control system

(3) With keyless entry system

(4) AT

(5) With adaptive front lighting system (AFS) control module

(6) With steering switch

(7) MT