LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2005 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System BP, BP With TC] >> DTC Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Table

DTC REFERENCE [BP, BP WITH TC]

x: Applicable
DTC No. Condition MIL O/D OFF indicator light flashes DC (1)Monitor item Memory function
DTC P0010 [BP] (2) CMP actuator circuit ON No 1 CCM x
DTC P0011 [BP] (2) CMP - timing over-advanced ON No 1 CCM x
DTC P0012 [BP] (2) CMP - timing over-retarded ON No 2 CCM x
DTC P0031  HO2S heater control circuit low (front) ON No 2 HO2S heater x
DTC P0032  HO2S heater control circuit high (front) ON No 2 HO2S heater x
DTC P0037  HO2S heater control circuit low (rear) ON No 2 HO2S heater x
DTC P0038  HO2S heater control circuit high (rear) ON No 2 HO2S heater x
DTC P0096 [BP WITH TC] (3) IAT No.2 circuit performance problem ON No 2 CCM x
DTC P0097 [BP WITH TC] (3) IAT No.2 circuit low input ON No 1 CCM x
DTC P0098 [BP WITH TC] (3) IAT No.2 circuit high input ON No 1 CCM x
DTC P0101  MAF circuit range/performance problem ON No 2 CCM x
DTC P0102  MAF circuit low input ON No 1 CCM x
DTC P0103  MAF circuit high input ON No 1 CCM x
DTC P0106  BARO circuit performance problem(2)
BARO/MAP circuit performance problem(3)
ON No 2 CCM x
DTC P0107  BARO circuit low input(2)
BARO/MAP circuit low input(3)
ON No 1 CCM x
DTC P0108  BARO circuit high input(2)
BARO/MAP circuit high input(3)
ON No 1 CCM x
DTC P0111  IAT circuit performance problem(2)
IAT No.1 circuit performance problem(3)
ON No 2 CCM x
DTC P0112  IAT circuit low input(2)
IAT No.1 circuit low input(3)
ON No 1 CCM. x
DTC P0113  IAT circuit high input(2)
IAT No.1 circuit high input(3)
ON No 1 CCM x
DTC P0116  ECT circuit range/performance problem ON No 2 CCM x
DTC P0117  ECT circuit low input ON No 1 CCM x
DTC P0118  ECT circuit high input ON No 1 CCM x
DTC P0121  TP circuit range/performance problem ON No 2 CCM x
DTC P0122  TP circuit low input ON Yes 1 CCM x
DTC P0123  TP circuit high input ON Yes 1 CCM x
DTC P0125  Insufficient coolant temperature for closed loop fuel control ON No 2 CCM x
DTC P0126, P0128  Coolant thermostat stuck to open ON No 2 Thermostat x
DTC P0126, P0128  ON No 2 Thermostat x
DTC P0132  HO2S (front) no inversion (high voltage stuck) ON No 2 HO2S x
DTC P0133  HO2S (front) circuit slow response ON No 2 HO2S x
DTC P0134  HO2S (front) circuit no activity detected ON No 2 HO2S x
DTC P0138  HO2S (rear) circuit high input ON No 2 HO2S x
DTC P0139  HO2S (rear) circuit slow response ON No 2 HO2S x
DTC P0140  HO2S (rear) circuit no activity detected ON No 2 HO2S x
DTC P0222(4) TP sensor circuit short  
DTC P0223(4) TP sensor open circuit  
DTC P0245 [BP WITH TC] (3) Turbocharger wastegate regulating valve control circuit low ON No 2 CCM x
DTC P0246 [BP WITH TC] (3) Turbocharger wastegate regulating valve control circuit high ON No 2 CCM x
DTC P0300  Random misfire detected Flash / ON No 1 or 2 Misfire x
DTC P0301, P0302, P0303, P0304  Cylinder 1 misfire detected Flash / ON No 1 or 2 Misfire x
DTC P0301, P0302, P0303, P0304  Cylinder 2 misfire detected Flash / ON No 1 or 2 Misfire x
DTC P0301, P0302, P0303, P0304  Cylinder 3 misfire detected Flash / ON No 1 or 2 Misfire x
DTC P0301, P0302, P0303, P0304  Cylinder 4 misfire detected Flash / ON No 1 or 2 Misfire x
DTC P0327  KS circuit low input ON No 1 CCM x
DTC P0328  KS circuit high input ON No 1 CCM x
DTC P0335  CKP sensor circuit malfunction ON No 1 CCM x
DTC P0340  CMP sensor circuit malfunction ON No 1 CCM x
DTC P0401  EGR flow insufficient detected ON No 2 EGR x
DTC P0403  EGR valve circuit malfunction ON No 2 CCM x
DTC P0420  Catalyst system efficiency below threshold ON No 2 Catalyst x
DTC P0441  EVAP control system incorrect purge flow ON No 2 Evaporative x
DTC P0442  EVAP control system leak detected (small leak) ON No 2 Evaporative x
DTC P0443  EVAP control system purge control valve circuit malfunction ON No 2 COM x
DTC P0446  Change over valve (COV) (EVAP system leak detection pump) stuck closed ON No 2 Evaporative x
DTC P0455  EVAP control system leak detected (gross leak) ON No 2 Evaporative x
DTC P0456 (6) EVAP control system leak detected (very small leak) ON No 2 Evaporative x
DTC P0461  Fuel gauge sender unit circuit range/performance ON No 2 COM x
DTC P0462  Fuel gauge sender unit circuit low input ON No 2 COM x
DTC P0463  Fuel gauge sender unit circuit high input ON No 2 CCM x
DTC P0480  Fan relay circuit OFF No 2 Other x
DTC P0500  VSS circuit malfunction ON Yes 2 CCM x
DTC P0505  IAC valve circuit malfunction ON No 1 CCM x
DTC P0506  Idle control system RPM lower than expected ON No 2 CCM x
DTC P0507  Idle control system RPM higher than expected ON No 2 CCM x
DTC P0550  PSP switch circuit malfunction ON No 2 CCM x
DTC P0600 [ATX] (4) Communication line error (PCM-TCM) ON No 1 CCM x
DTC P0605  Internal control module read only memory (ROM) error OFF No - Other x
DTC P0605  Brake switch input malfunction ON No 2 CCM x
DTC P0704 (5) Clutch switch input circuit malfunction ON No 2 CCM x
DTC P0705(4) Transmission range (TR) switch circuit malfunction (short circuit)  
DTC P0706(4) Transmission range (TR) switch circuit malfunction (open circuit)  
DTC P0715(4) Input/turbine speed sensor circuit malfunction  
DTC P0720(4) Output speed sensor circuit malfunction  
DTC P0725(4) Engine speed input circuit malfunction  
DTC P0741(4) Torque converter clutch (TCC) solenoid valve malfunction (stuck off)  
DTC P0742(4) Torque converter clutch (TCC) solenoid valve malfunction (stuck on)  
DTC P0743(4) Torque converter clutch (TCC) solenoid valve circuit malfunction  
DTC P0751(4) Shift solenoid A malfunction (stuck off)  
DTC P0752(4) Shift solenoid A malfunction (stuck on)  
DTC P0753(4) Shift solenoid A circuit malfunction  
DTC P0756(4) Shift solenoid B malfunction (stuck off)  
DTC P0757(4) Shift solenoid B malfunction (stuck on)  
DTC P0758(4) Shift solenoid B circuit malfunction  
DTC P0850 (5) Neutral switch input circuit malfunction (MT) ON No 2 CCM x
DTC P1487  EGR boost sensor solenoid valve circuit malfunction OFF No - Other -
DTC P1602  Immobilizer unit-PCM communication error OFF No - Other x
DTC P1603  Key ID number unregistered in PCM OFF No - Other x
DTC P1604  Code word unregistered in PCM OFF No - Other x
DTC P1608  PCM internal circuit malfunction OFF No - Other -
DTC P1621  Code word mismatch after engine cranking OFF No - Other x
DTC P1621  Key ID number mismatch OFF No - Other x
DTC P1623  Code word or key ID number read/write error in PCM OFF No - Other x
DTC P1624  Immobilizer system communication counter=0 OFF No - Other x
DTC P2004  VTCS malfunction (stuck open) ON No 2 CCM x
DTC P2006  VTCS malfunction (stuck close) ON No 2 CCM x
DTC P2009  VTCS solenoid valve circuit low input ON No 2 CCM x
DTC P2010  VTCS solenoid valve circuit high input ON No 2 CCM x
DTC P2177  Fuel system too lean at off idle ON No 2 Fuel x
DTC P2178  Fuel system too rich at off idle ON No 2 Fuel x
DTC P2187  Fuel system too lean at idle ON No 2 Fuel x
DTC P2188  Fuel system too rich at idle ON No 2 Fuel x
DTC P2195  Front HO2S signal stuck lean ON No 2 HO2S x
DTC P2196  Front HO2S signal stuck rich ON No 2 HO2S x
DTC P2401  EVAP system leak detection pump motor circuit low input ON No 2 Evaporative x
DTC P2402  EVAP system leak detection pump motor circuit high input ON No 2 Evaporative x
DTC P2404 [BP, BP WITH TC]  EVAP system leak detection pump air filter clogging ON No 2 Evaporative x
DTC P2405  EVAP system leak detection pump orifice fallen off ON No 2 Evaporative x
DTC P2407  EVAP system leak detection pump heater malfunction ON No 2 Evaporative x
DTC P2502  Generator terminal B open circuit OFF No 1 Other x
DTC P2503  Generator output voltage signal no electricity OFF No 1 Other x
DTC P2504  Battery overcharge OFF No 1 Other x
DTC P2507  PCM B+ voltage low ON No 1 CCM x
DTC P2610  Timer error in PCM ON No 2 CCM x
DTC U0302 (4) PCM cannot receive any signals from TCM OFF No 1 Other x
(1) Indicates the applicable item in On-Board System Readiness Test defined by CARB.
(2) BP
(3) BP WITH TC
(4) ATX
(5) MTX
(6) California emission regulation applicable model