LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2017 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Steering >> Electronic Steering >> On-Board Diagnostic - Steering >> DTC Table [EPS Control Module]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Table [EPS Control Module]

x: Applicable-: Not applicable

DTC Power steering malfunction indicator light Description Fail-safe Drive cycle Self test type(1) Memory function Service Information
C200B:02 Illuminated Torque sensor x - C, D x (See DTC C200B:02/C200B:1C/C200B:62/C200C:1C [EPS CONTROL MODULE] ).
C200B:1C Illuminated Torque sensor x - C, D x
C200B:62 Illuminated Torque sensor x - C, D x
C200C:1C Illuminated Torque sensor x - C, D x
C200D:1C Illuminated Resolver sensor x - C, D x (See DTC C200D:1C/C200D:64 [EPS CONTROL MODULE] ).
C200D:64 Illuminated Resolver sensor x - C, D x
U0001:88 Illuminated CAN communication: module communication error x - C, D x (See DTC U0001:88/U0100:00/U0121:00/U0155:00 [EPS CONTROL MODULE] ).
U0100:00 Illuminated CAN communication: communication error to PCM x - C, D x
U0121:00 Not illuminated CAN communication: communication error to DSC HU/C M x - C, D x
U0155:00 Not illuminated CAN communication: communication error to instrument cluster x - C, D x
U0338:00 Not illuminated Signal error from start stop unit x - C, D x (See DTC U0338:00/U0515:00 [EPS CONTROL MODULE] ).
U0401:00 Illuminated Signal error from PCM (engine speed signal error before assist started) x - C, D x (See DTC U0401:00 [EPS CONTROL MODULE] ).
Not illuminated Signal error from PCM (engine speed signal error after assist started) x - C, D x
Illuminated Signal error from PCM (vehicle speed signal error) x - C, D x
U0415:00 Not illuminated Signal error from DSC HU/C M x - C, D x (See DTC U0415:00 [EPS CONTROL MODULE] ).
U0423:00 Not illuminated Signal error from instrument cluster x - C, D x (See DTC U0423:00 [EPS CONTROL MODULE] ).
U0515:00 Not illuminated Signal error from start stop unit x - C, D x (See DTC U0338:00/U0515:00 [EPS CONTROL MODULE] ).
U2011:19 Illuminated EPS motor x - C, D x (See DTC U2011:19/U2011:1C/U2011:61/U2011:62/U2011:64/U2011:72/U2011:92 [EPS CONTROL MODULE] ).
U2011:1C Illuminated EPS motor x - C, D x
U2011:61 Illuminated EPS motor x - C, D x
U2011:62 Illuminated EPS motor x - C, D x
U2011:64 Illuminated EPS motor x - C, D x
U2011:72 Illuminated EPS motor x - C, D x
U2011:92 Illuminated EPS motor x - C, D x
U2300:54 Not illuminated Configuration x - C, D x (See DTC U2300:54/U2300:55/U2300:56 [EPS CONTROL MODULE] ).
U2300:55 Illuminated Configuration x - C, D x
U2300:56 Not illuminated Configuration x - C, D x
U3000:16 Illuminated EPS control module x - C, D x (See DTC U3000:16/U3000:1C/U3000:28/U3000:41/U3000:46/U3000:47/U3000:49/U3000:4B/U3000:61/U3000:64/U3000:73/U3000:96 [EPS CONTROL MODULE] ).
U3000:1C Illuminated EPS control module x - C, D x
U3000:28 Illuminated EPS control module x - C, D x
U3000:41 Illuminated EPS control module x - C, D x
U3000:46 Not illuminated EPS control module x - C, D x
U3000:47 Illuminated EPS control module x - C, D x
U3000:49 Illuminated EPS control module x - C, D x
U3000:4B Not illuminated EPS control module x - C, D x
U3000:61 Illuminated EPS control module x - C, D x
U3000:64 Illuminated EPS control module x - C, D x
U3000:73 Illuminated EPS control module x - C, D x
U3000:96 Illuminated EPS control module x - C, D x
U3003:16 Illuminated Power supply x - C, D x (See DTC U3003:16/U3003:17 [EPS CONTROL MODULE] ).
U3003:17 Illuminated Power supply x - C, D x
(1) C: CMDTC self test, D: ODDTC self test

Fail-safe function table

DTC EPS motor current control
C200B:02 Permits control
C200B:1C Permits control
C200B:62 Permits control
C200C:1C Permits control
C200D:1C Inhibits control
C200D:64 Inhibits control
U0001:88 Permits control
U0100:00 Control is permited by gradually decreasing the motor current
U0121:00 Permits control
U0155:00 Permits control
U0338:00 Permits control
U0401:00
  • Engine speed (before assist started)
    • Inhibits control
  • Engine speed (after assist started)
    • Permits control
  • Vehicle speed
    • Control is permited by gradually decreasing the motor current
U0415:00 Permits control
U0423:00 Permits control
U0515:00 Permits control
U2011:19 Inhibits control
U2011:1C Inhibits control
U2011:61 Inhibits control
U2011:62 Inhibits control
U2011:64 Inhibits control
U2011:72 Inhibits control
U2011:92 Inhibits control
U2300:54 Permits control
U2300:55 Permits control
U2300:56 Permits control
U3000:16 Inhibits control
U3000:1C Inhibits control
U3000:28 Inhibits control
U3000:41 Inhibits control
U3000:46 Permits control
U3000:47 Inhibits control
U3000:49 Inhibits control
U3000:4B Permits control
U3000:61 Inhibits control
U3000:64 Permits control
U3000:73 Inhibits control
U3000:96 Inhibits control
U3003:16 Inhibits control
U3003:17 Inhibits control