LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2017 >> 3 Sport, 4D Hatchback, Standard Trans >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> HS/Ms Can System >> HS-Can
April 5, 2026: LEMON Manuals is launched! Read the announcement.

HS/Ms Can System: HS-Can

HS-CAN DIAGNOSTIC TROUBLE IDENTIFICATION

DTC output module (M-MDS display) DTC Malfunction location Reference for initial letter of DTC is capital U
PCM
(PCM)
U0073:00 Unit communication error (See DTC TABLE .)
U0101:00 Communication error with TCM
U0104:00 Communication error with radar unit
U0121:00 Communication error with DSC HU/CM
U0131:00 Communication error with 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
U023A:00 Communication error with forward sensing camera (FSC)
U0298:00 Communication error with DC-DC converter (i-ELOOP)
DSC HU/CM
(ABS)
U0001:88 Unit communication error (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)
U0100:00 Communication error with PCM
U0101:00 Communication error with TCM
U0131:00 Communication error with EPS control module
U0151:00 Communication error with SAS control module
U0155:00 Communication error with instrument cluster
U023A:00 Communication error with forward sensing camera (FSC)
Radar unit (SBS/MRCC) U0001:88 Unit communication error (See DTC TABLE [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 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 forward sensing camera (FSC)
U023A:00 Communication error with forward sensing camera (FSC)
Adaptive front lighting system (AFS) control module (AFS/ALM) U0001:88 Unit communication error (See DTC TABLE [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] .)
U0100:00 Communication error with PCM
U0131:00 Communication error with EPS control module
U0140:00 Communication error with front body control module (FBCM)
U0155:00 Communication error with instrument cluster
Auto leveling control module (AFS/ALM) U0001:88 Unit communication error (See DTC TABLE [AUTO LEVELING CONTROL MODULE] .)
U0100:00 Communication error with PCM
U0140:00 Communication error with front body control module (FBCM)
U0155:00 Communication error with instrument cluster
DC-DC converter (i-ELOOP) (DCDC) U0001:88 Unit communication error (See DTC TABLE [i-ELOOP] .)
U0100:00 Communication error with PCM
U0155:00 Communication error with instrument cluster
TCM (TCM) U0073:00 Unit communication error (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (FW6A-EL)] .)
U0100:00 Communication error with PCM
U0121:00 Communication error with DSC HU/CM
U0131:00 Communication error with EPS control module
U0155:00 Communication error with instrument cluster
U0214:00 Communication error with start stop unit
Front body control module (FBCM)
(F_BCM)
U0001:88 Unit communication error (See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)] .)
U0100:00 Communication error with PCM
U0101:00 Communication error with TCM
U0121:00 Communication error with DSC HU/CM
U0151:00 Communication error with SAS control module
U0155:00 Communication error with instrument cluster
U0214:00 Communication error with start stop unit
U023A:00 Communication error with forward sensing camera (FSC)
Forward sensing
camera (FSC) (FSC)
U0001:88 Unit communication error (See DTC TABLE [FORWARD SENSING CAMERA (FSC)] .)
U0100:00 Communication error with PCM
U0104:00 Communication error with radar unit
U0121:00 Communication error with DSC HU/CM
U0131:00 Communication error with 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
U0156:00 Communication error with connectivity master unit (CMU)
U0182:00 Communication error with adaptive front lighting system (AFS) control module/auto leveling control module
U0214:00 Communication error with start stop unit
EPS control module
(EPS)
U0001:88 Unit communication error (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .)
U0100:00 Communication error with PCM
U0121:00 Communication error with DSC HU/CM
U0155:00 Communication error with instrument cluster
U0214:00 Communication error with start stop unit
Start stop unit
(SSU)
U0001:88 Unit communication error (See DTC TABLE [START STOP UNIT] .)
U0100:00 Communication error with PCM
U0101:00 Communication error with TCM
U0121:00 Communication error with DSC HU/CM
U0121:87 Communication error with DSC HU/CM
U0131:00 Communication error with EPS control module
U0140:00 Communication error with front body control module (FBCM)
U0146:00 Communication error with instrument cluster
U0151:00 Communication error with SAS control module
U0155:00 Communication error with instrument cluster
Connectivity master unit (CMU) U0001:88 Unit communication error (See DTC TABLE [CONNECTIVITY MASTER UNIT] .)
U0100:00 Communication error with PCM
U0101:00 Communication error with TCM
U0104:00 Communication error with radar unit
U0121:00 Communication error with DSC HU/CM
U0131:00 Communication error with 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
U0182:00 Communication error with adaptive front lighting system (AFS) control module/auto leveling control module
U0214:00 Communication error with start stop unit
U0235:00 Communication error with forward sensing camera (FSC)
U023A:00 Communication error with forward sensing camera (FSC)
SAS control module
(RCM)
U0001:88 Unit communication error (See DTC TABLE [SAS CONTROL MODULE (STANDARD DEPLOYMENT CONTROL SYSTEM)] .)
(See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)] .)
U0155:00 Communication error with instrument cluster
Audio amplifier U0001:88 Unit communication error (See DTC TABLE [AUDIO AMPLIFIER] .)
Electric parking brake control module (EPB) U0001:87 Unit communication error (See DTC TABLE [ELECTRIC PARKING BRAKE] .)
U0001:88 Unit communication error
U0100:00 Communication error with PCM
U0101:00 Communication error with TCM
U0121:00 Communication error with DSC HU/CM
U0151:00 Communication error with SAS control module
U0155:00 Communication error with instrument cluster
Instrument cluster
(IC)
U0001:88 Unit communication error (See DTC TABLE [INSTRUMENT CLUSTER] .)
U0100:00 Communication error with PCM
U0101:00 Communication error with TCM
U0104:00 Communication error with radar unit
U0121:00 Communication error with DSC HU/CM
U0128:00 Communication error with electric parking brake control module
U0131:00 Communication error with EPS control module
U0140:00 Communication error with front body control module (FBCM)
U0151:00 Communication error with SAS control module
U0156:00 Communication error with connectivity master unit (CMU)
U0182:00 Communication error with adaptive front lighting system (AFS) control module/auto leveling control module
U0214:00 Communication error with start stop unit
U0235:00 Communication error with forward sensing camera (FSC)
U023A:00 Communication error with forward sensing camera (FSC)