LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2014 >> 5 Touring >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Engine Controls MZR 2.5 Diagnostic Trouble Codes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Controls MZR 2.5 Diagnostic Trouble Codes

ENGINE CONTROLS MZR 2.5 DIAGNOSTIC TROUBLE CODES

DTC Condition Reference
P0011:00 CMP timing over-advanced (See DTC P0011:00 [MZR 2.5] .)
P0012:00 CMP timing over-retarded (See DTC P0012:00 [MZR 2.5] .)
P0016:00 CKP-CMP correlation problem (See DTC P0016:00 [MZR 2.5] .)
P0031:00 A/F sensor heater control circuit low input (See DTC P0031:00 [MZR 2.5] .)
P0032:00 A/F sensor heater control circuit high input (See DTC P0032:00 [MZR 2.5] .)
P0037:00 HO2S heater control circuit low input (See DTC P0037:00 [MZR 2.5] .)
P0038:00 HO2S heater control circuit high input (See DTC P0038:00 [MZR 2.5] .)
P0053:00 A/F sensor heater resistance (See DTC P0053:00 [MZR 2.5] .)
P0054:00 HO2S heater resistance (See DTC P0054:00 [MZR 2.5] .)
P0069:00 Manifold absolute pressure/atmospheric pressure correlation problem (See DTC P0069:00 [MZR 2.5] .)
P0101:00 MAF sensor circuit range/performance problem (See DTC P0101:00 [MZR 2.5] .)
P0102:00 MAF sensor circuit low input (See DTC P0102:00 [MZR 2.5] .)
P0103:00 MAF sensor circuit high input (See DTC P0103:00 [MZR 2.5] .)
P0107:00 MAP sensor circuit low input (See DTC P0107:00 [MZR 2.5] .)
P0108:00 MAP sensor circuit high input (See DTC P0108:00 [MZR 2.5] .)
P0112:00 IAT sensor circuit low input (See DTC P0112:00 [MZR 2.5] .)
P0113:00 IAT sensor circuit high input (See DTC P0113:00 [MZR 2.5] .)
P0116:00 ECT sensor circuit range/performance problem (See DTC P0116:00 [MZR 2.5] .)
P0117:00 ECT sensor circuit low input (See DTC P0117:00 [MZR 2.5] .)
P0118:00 ECT sensor circuit high input (See DTC P0118:00 [MZR 2.5] .)
P011B:00 IAT Sensor Circuit Range/Performance Problem (See DTC P011B:00 [MZR 2.5] .)
P0122:00 TP sensor No. 1 circuit low input (See DTC P0122:00 [MZR 2.5] .)
P0123:00 TP sensor No. 1 circuit high input (See DTC P0123:00 [MZR 2.5] .)
P0125:00 Insufficient coolant temperature for closed loop fuel control (See DTC P0125:00 [MZR 2.5] .)
P0126:00 Thermostat stuck open (See DTC P0126:00, P0128:00 [MZR 2.5] .)
P0128:00
P0130:00 A/F sensor circuit problem (See DTC P0130:00 [MZR 2.5] .)
P0131:00 A/F sensor circuit low input (See DTC P0131:00 [MZR 2.5] .)
P0132:00 A/F sensor circuit high input (See DTC P0132:00 [MZR 2.5] .)
P0133:00 A/F sensor circuit slow response (See DTC P0133:00 [MZR 2.5] .)
P0134:00 A/F sensor circuit no activity detected (See DTC P0134:00 [MZR 2.5] .)
P0137:00 HO2S circuit low input (See DTC P0137:00 [MZR 2.5] .)
P0138:00 HO2S circuit high input (See DTC P0138:00 [MZR 2.5] .)
P0139:00 HO2S circuit slow response (See DTC P0139:00 [MZR 2.5] .)
P0140:00 HO2S circuit no activity detected (See DTC P0140:00 [MZR 2.5] .)
P0171:00 Fuel trim system too lean (See DTC P0171:00 [MZR 2.5] .)
P0172:00 Fuel trim system too rich (See DTC P0172:00 [MZR 2.5] .)
P0222:00 TP sensor No. 2 circuit low input (See DTC P0222:00 [MZR 2.5] .)
P0223:00 TP sensor No. 2 circuit high input (See DTC P0223:00 [MZR 2.5] .)
P0300:00 Random misfire detected (See DTC P0300:00 [MZR 2.5] .)
P0301:00 Cylinder No. 1 misfire detected (See DTC P0301:00, P0302:00, P0303:00, P0304:00 [MZR 2.5] .)
P0302:00 Cylinder No. 2 misfire detected
P0303:00 Cylinder No. 3 misfire detected
P0304:00 Cylinder No. 4 misfire detected
P0327:00 KS circuit low input (See DTC P0327:00 [MZR 2.5] .)
P0328:00 KS circuit high input (See DTC P0328:00 [MZR 2.5] .)
P0335:00 CKP sensor circuit problem (See DTC P0335:00 [MZR 2.5] .)
P0340:00 CMP sensor circuit problem (See DTC P0340:00 [MZR 2.5] .)
P0401:00 EGR flow insufficient detected (See DTC P0401:00 [MZR 2.5] .)
P0403:00 EGR control circuit problem (See DTC P0403:00 [MZR 2.5] .)
P0421:00 Warm up catalyst system efficiency below threshold (See DTC P0421:00 [MZR 2.5] .)
P0442:00 EVAP system leak detected (small leak) (See DTC P0442:00, P0455:00, P0456:00 [MZR 2.5] .)
P0443:00 Purge solenoid valve circuit problem (See DTC P0443:00 [MZR 2.5] .)
P0446:00 CV solenoid valve control circuit problem (See DTC P0446:00 [MZR 2.5] .)
P0451:00 Fuel tank pressure sensor range/performance problem (See DTC P0451:00 [MZR 2.5] .)
P0452:00 Fuel tank pressure sensor low input (See DTC P0452:00 [MZR 2.5] .)
P0453:00 Fuel tank pressure sensor high input (See DTC P0453:00 [MZR 2.5] .)
P0454:00 Fuel tank pressure sensor intermittent (See DTC P0454:00 [MZR 2.5] .)
P0455:00 EVAP system leak detected (gross leak/no flow) (See DTC P0442:00, P0455:00, P0456:00 [MZR 2.5] .)
P0456:00(5) EVAP system leak detected (very small leak)
P0457:00 EVAP system leak detected (fuel cap loose/off) (See DTC P0457:00 [MZR 2.5] .)
P0460:00 Fuel level sensor circuit malfunction (See DTC P0460:00 [MZR 2.5] .)
P0461:00 Fuel gauge sender unit circuit range/performance problem (See DTC P0461:00 [MZR 2.5] .)
P0462:00 Fuel gauge sender unit circuit low input (See DTC P0462:00 [MZR 2.5] .)
P0463:00 Fuel gauge sender unit circuit high input (See DTC P0463:00 [MZR 2.5] .)
P0480:00 Cooling fan relay No. 1 control circuit malfunction (See DTC P0480:00 [MZR 2.5] .)
P0481:00 Cooling fan relay No. 2 and No. 3 control circuit malfunction (See DTC P0481:00 [MZR 2.5] .)
P0500:00 VSS circuit problem (See DTC P0500:00 [MZR 2.5] .)
P0505:00(1) IAC system problem (See DTC P0505:00 [MZR 2.5] .)
P0506:00 IAC system RPM lower than expected (See DTC P0506:00 [MZR 2.5] .)
P0507:00 IAC system RPM higher than expected (See DTC P0507:00 [MZR 2.5] .)
P050A:00 Cold start IAC system performance problem (See DTC P050A:00 [MZR 2.5] .)
P050B:00 Cold start ignition timing performance problem (See DTC P050B:00 [MZR 2.5] .)
P0571:00 Brake switch circuit problem (See DTC P0571:00 [MZR 2.5] .)
P0579:00(2) Cruise control multi-function input circuit range/performance problem (See DTC P0579:00 [MZR 2.5] .)
P0581:00(2) Cruise control multi-function input circuit high input (See DTC P0581:00 [MZR 2.5] .)
P0600:00 Serial communication link (See DTC P0600:00 [MZR 2.5] .)
P0601:00 PCM memory check sum error (See DTC P0601:00 [MZR 2.5] .)
P0602:00 PCM programming error (See DTC P0602:00 [MZR 2.5] .)
P0604:00 PCM RAM error (See DTC P0604:00 [MZR 2.5] .)
P0606:00 PCM processor error (See DTC P0606:00 [MZR 2.5] .)
P060B:00 Internal control module A/D processing performance problem (See DTC P060B:00 [MZR 2.5] .)
P060C:00 Internal control module main processor performance problem (See DTC P060C:00, P061D:00 [MZR 2.5] .)
P0610:00 PCM vehicle configuration error (See DTC P0610:00 [MZR 2.5] .)
P061B:00 Internal control module torque calculation performance problem (See DTC P061B:00 [MZR 2.5] .)
P061D:00 Internal control module engine air mass performance problem (See DTC P060C:00, P061D:00 [MZR 2.5] .)
P061F:00 Internal control module throttle valve actuator controller performance problem (See DTC P061F:00 [MZR 2.5] .)
P0638:00 Throttle valve actuator control circuit range/performance problem (See DTC P0638:00 [MZR 2.5] .)
P064D:00 Internal control module A/F sensor processor performance problem (See DTC P064D:00 [MZR 2.5] .)
P0661:00 Variable intake air solenoid valve circuit low input (See DTC P0661:00 [MZR 2.5] .)
P0662:00 Variable intake air solenoid valve circuit high input (See DTC P0662:00 [MZR 2.5] .)
P0685:00 Main relay control circuit open (See DTC P0685:00 [MZR 2.5] .)
P06B8:00 Internal control module non-volatile RAM error (See DTC P06B8:00 [MZR 2.5] .)
P0703:00 Brake switch input circuit problem (See DTC P0703:00 [MZR 2.5] .)
P0704:00(3) CPP switch input circuit problem (See DTC P0704:00 [MZR 2.5] .)
P0850:00(3) Neutral switch input circuit problem (See DTC P0850:00 [MZR 2.5] .)
P1260:00 Immobilizer system problem (See DTC P1260:00 [MZR 2.5] .)
P144A:00 EVAP system purge vapor line restricted/blocked (See DTC P144A:00 [MZR 2.5] .)
P1450:00 Unable to bleed up fuel tank vacuum (See DTC P1450:00 [MZR 2.5] .)
P2004:00 Variable tumble shutter valve stuck open (See DTC P2004:00 [MZR 2.5] .)
P2006:00 Variable tumble shutter valve stuck closed (See DTC P2006:00 [MZR 2.5] .)
P2009:00 Variable tumble solenoid valve circuit low input (See DTC P2009:00 [MZR 2.5] .)
P2010:00 Variable tumble solenoid valve circuit high input (See DTC P2010:00 [MZR 2.5] .)
P2016:00 Variable tumble shutter valve position sensor circuit low input (See DTC P2016:00 [MZR 2.5] .)
P2017:00 Variable tumble shutter valve position sensor circuit high input (See DTC P2017:00 [MZR 2.5] .)
P2088:00 OCV circuit low input (See DTC P2088:00 [MZR 2.5] .)
P2089:00 OCV circuit high input (See DTC P2089:00 [MZR 2.5] .)
P2096:00 Target A/F feedback system too lean (See DTC P2096:00 [MZR 2.5] .)
P2097:00 Target A/F feedback system too rich (See DTC P2097:00 [MZR 2.5] .)
P2100:00 Throttle valve actuator circuit open (See DTC P2100:00 [MZR 2.5] .)
P2101:00 Throttle valve actuator circuit range/performance problem (See DTC P2101:00 [MZR 2.5] .)
P2105:00 Throttle valve actuator control system-forced engine shutdown (See DTC P2105:00 [MZR 2.5] .)
P2107:00 Throttle valve actuator control module processor error (See DTC P2107:00 [MZR 2.5] .)
P2108:00 Throttle valve actuator control module performance error (See DTC P2108:00 [MZR 2.5] .)
P2110:00 Throttle valve actuator control system-forced limited RPM (See DTC P2110:00 [MZR 2.5] .)
P2119:00 Throttle valve actuator control throttle body range/performance problem (See DTC P2119:00 [MZR 2.5] .)
P2122:00 APP sensor No. 1 circuit low input (See DTC P2122:00 [MZR 2.5] .)
P2123:00 APP sensor No. 1 circuit high input (See DTC P2123:00 [MZR 2.5] .)
P2127:00 APP sensor No. 2 circuit low input (See DTC P2127:00 [MZR 2.5] .)
P2128:00 APP sensor No. 2 circuit high input (See DTC P2128:00 [MZR 2.5] .)
P2135:00 TP sensor No. 1/No. 2 voltage correlation problem (See DTC P2135:00 [MZR 2.5] .)
P2138:00 APP sensor No. 1/No. 2 voltage correlation problem (See DTC P2138:00 [MZR 2.5] .)
P2228:00 BARO sensor circuit low input (See DTC P2228:00 [MZR 2.5] .)
P2229:00 BARO sensor circuit high input (See DTC P2229:00 [MZR 2.5] .)
P2237:00 A/F sensor positive current control circuit open (See DTC P2237:00 [MZR 2.5] .)
P2243:00 A/F sensor reference voltage circuit open (See DTC P2243:00 [MZR 2.5] .)
P2245:00 A/F sensor reference voltage circuit low input (See DTC P2245:00 [MZR 2.5] .)
P2246:00 A/F sensor reference voltage circuit high input (See DTC P2246:00 [MZR 2.5] .)
P2251:00 A/F sensor negative current control circuit open (See DTC P2251:00 [MZR 2.5] .)
P2299:00 Accelerator pedal: spring back malfunction (See DTC P2299:00 [MZR 2.5] .)
P2502:00 Charging system voltage problem (See DTC P2502:00 [MZR 2.5] .)
P2503:00 Charging system voltage low input (See DTC P2503:00 [MZR 2.5] .)
P2504:00 Charging system voltage high input (See DTC P2504:00 [MZR 2.5] .)
P2507:00 PCM battery voltage low input (See DTC P2507:00 [MZR 2.5] .)
P2610:00 PCM internal engine off timer performance problem (See DTC P2610:00 [MZR 2.5] .)
U0073:00 CAN system communication error (See DTC U0073:00, U0101:00, U0121:00, U0155:00 [MZR 2.5] .)
U0101:00(4) Communication error to TCM
U0121:00 Communication error to DSC HU/CM
U0155:00 Communication error to instrument cluster
U3000:41 PCM processor error (See DTC U3000:41 [MZR 2.5] .)
(1) KOER self test only 
(2) Vehicles with cruise control system 
(3) MTX 
(4) ATX 
(5) California emission regulation applicable model