Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 589 (ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM L3 WITH TC])DTC TABLE
2008 Mazda 6 s Sport, 4D Hatchback, Standard
DTC Table
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION DTC Table
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC TABLE [L3] WITH TC
| x: Applicable -: Not applicable |
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|---|---|---|---|---|---|---|---|---|
| DTC No. | Condition | MIL | DC | Monitor item | Self-test type(1) | Memory function | ||
| DTC P0011 | CMP Timing over-advanced | ON | 1 | CCM | C, R | X | ||
| DTC P0012 | CMP Timing over-retarded | ON | 2 | CCM | C, R | x | ||
| DTC P0016 | CKP-CMP correlation | ON | 2 | CCM | C | x | ||
| DTC P0030 | Front HO2S heater control circuit problem | ON | 2 | HO2S heater | C, O, R | x | ||
| DTC P0031 | Front HO2S heater circuit low input | ON | 2 | HO2S heater | C, O, R | x | ||
| DTC P0032 | Front HO2S heater circuit high input | ON | 2 | HO2S heater | C, O, R | x | ||
| DTC P0037 | Rear HO2S heater circuit low input | ON | 2 | HO2S heater | C, O, R | x | ||
| DTC P0038 | Rear HO2S heater circuit high input | ON | 2 | HO2S heater | C, O, R | x | ||
| DTC P0069 | Manifold absolute pressure/atmospheric pressure correlation | ON | 2 | CCM | C | x | ||
| DTC P0089 | Fuel pressure regulator performance | OFF | 1 | Other | C, O, R | x | ||
| DTC P0091 | Fuel pressure regulator control circuit low | ON | 1 | CCM | C, O, R | x | ||
| DTC P0092 | Fuel pressure regulator control circuit high | ON | 1 | CCM | C, O, R | x | ||
| DTC P0096 | IAT sensor 2 circuit range/performance problem | ON | 2 | CCM | C | x | ||
| DTC P0097 | IAT sensor 2 circuit low | ON | 1 | CCM | CO, R | x | ||
| DTC P0098 | IAT sensor 2 circuit high | ON | 1 | CCM | CO, R | x | ||
| DTC P0101 | MAF circuit range/performance problem | ON | 2 | CCM | C | x | ||
| DTC P0102 | MAF circuit low input | ON | 1 | CCM | CO, R | x | ||
| DTC P0103 | MAF circuit high input | ON | 1 | CCM | CO, R | x | ||
| DTC P0107 | MAP sensor circuit low input | ON | 1 | CCM | CO, R | x | ||
| DTC P0108 | MAP sensor circuit high input | ON | 1 | CCM | CO, R | x | ||
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DTC TABLE
| DTC No. | Condition | MIL | DC | Monitor item | Self-test type(2) | Memory function | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| DTC P0111 | IAT circuit performance problem | ON | 2 | CCM | c | x | ||||
| DTC P0112 | IAT circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0113 | IAT circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0116 | ECT circuit range/performance problem | ON | 1 | Engine cooling system | C | x | ||||
| DTC P0117 | ECT circuit low input | ON | 1 | Engine cooling system | C, O, R | x | ||||
| DTC P0118 | ECT circuit high input | ON | 1 | Engine cooling system | C, O, R | x | ||||
| DTC P0122 | TP sensor No. 1 circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0123 | TP sensor No. 1 circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0125 | Excessive time to enter closed loop fuel control | ON | 2 | Engine cooling system | C | x | ||||
| DTC P0126 | Coolant thermostat stuck open | ON | 2 | Engine cooling system | C | x | ||||
| DTC P0128 | Coolant thermostat stuck open | ON | 2 | Engine cooling system | C | x | ||||
| DTC P0131 | Front HO2S circuit low input | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P0132 | Front HO2S circuit high input | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P0133 | Front HO2S circuit problem | ON | 2 | HO2S | C | x | ||||
| DTC P0134 | Front HO2S circuit no activity detected | ON | 2 | HO2S | C, R | x | ||||
| DTC P0137 | Rear HO2S circuit low input | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P0138 | Rear HO2S circuit high input | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P0139 | Rear HO2S circuit malfunction | ON | 2 | HO2S | C | x | ||||
| DTC P0140 | Rear HO2S circuit no activity detected | ON | 2 | HO2S | C, R | x | ||||
| DTC P0192 | Fuel rail pressure sensor circuit low input | ON | 1 | CCM | CO, R | x | ||||
| DTC P0193 | Fuel rail pressure sensor circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0201 | Injector circuit/open cylinder No. 1 | ON | 1 | CCM | C, R | x | ||||
| DTC P0202 | Injector circuit/open cylinder No. 2 | ON | 1 | CCM | C, R | x | ||||
| DTC P0203 | Injector circuit/open cylinder No. 3 | ON | 1 | CCM | C, R | x | ||||
| DTC P0204 | Injector circuit/open cylinder No. 4 | ON | 1 | CCM | C, R | x | ||||
| DTC P0222 | TP sensor No. 2 circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0223 | TP sensor No. 2 circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0234 | Turbo/supercharger overboost condition | OFF | 1 | Other | C, R | x | ||||
| DTC P0245 | Turbocharger wastegate solenoid low | OFF | 2 | Other | C, O, R | x | ||||
| DTC P0246 | Turbocharger wastegate solenoid high | OFF | 2 | Other | C, O, R | x | ||||
| DTC P0300 | Random misfire detected | Flash/ON | 1 or 2 | Misfire | C, R | x | ||||
| DTC P0301 | Cylinder No. 1 misfire detected | Flash/ON | 1 or 2 | Misfire | C, R | x | ||||
| DTC P0302 | Cylinder No. 2 misfire detected | Flash/ON | 1 or 2 | Misfire | C, R | x | ||||
| DTC P0303 | Cylinder No. 3 misfire detected | Flash/ON | 1 or 2 | Misfire | C, R | x | ||||
| DTC P0304 | Cylinder No. 4 misfire detected | Flash/ON | 1 or 2 | Misfire | C, R | x | ||||
| DTC P0327 | Knock sensor circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0328 | Knock sensor circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0335 | CKP sensor circuit malfunction | ON | 1 | CCM | C | x | ||||
| DTC P0340 | CMP sensor circuit malfunction | ON | 1 | CCM | C | x | ||||
| DTC P0401 | EGR flow insufficient detected | ON | 2 | EGR | C, R | x | ||||
| DTC P0403 | EGR valve (stepper motor) circuit malfunction | ON | 2 | CCM | C, O, R | x | ||||
| DTC P0421 | Catalyst system efficiency below threshold | ON | 2 | Catalyst | C | x | ||||
| DTC P0441 | EVAP control system incorrect purge flow | ON | 2 | EVAP system monitor | C, R | x | ||||
| DTC P0442 | EVAP control system leak detected (small leak) | ON | 2 | EVAP system monitor | C, R | x | ||||
| DTC P0443 | EVAP control system purge control valve circuit malfunction | ON | 2 | CCM | C, O, R | x | ||||
| DTC P0446 | Change over valve (COV) (EVAP system leak detection pump) stuck close | ON | 2 | CCM | C, R | x | ||||
| DTC P0455 | EVAP control system leak detected (gross leak) | ON | 2 | EVAP system monitor | C, R | x | ||||
| DTC P0456 (1) | EVAP control system leak detected (very small leak) | ON | 2 | EVAP system monitor | C, R | x | ||||
| DTC P0461 | Fuel gauge sender unit circuit range/performance | ON | 2 | CCM | C | x | ||||
| DTC P0462 | Fuel gauge sender unit circuit low input | ON | 2 | CCM | C, O, R | x | ||||
| DTC P0463 | Fuel gauge sender unit circuit high input | ON | 2 | CCM | C, O, R | x | ||||
| DTC P0480 | Fan relay No. 1 control circuit malfunction | OFF | 1 | Other | C, O, R | x | ||||
| DTC P0500 | Vehicle speed sensor (VSS) circuit malfunction | ON | 2 | CCM | C | x | ||||
| DTC P0505 | Idle control system malfunction | OFF | - | - | R | - | ||||
| DTC P0506 | Idle control system RPM lower than expected | ON | 2 | CCM | C | x | ||||
| DTC P0507 | Idle control system RPM higher than expected | ON | 2 | CCM | C | x | ||||
| DTC P0550 | PSP switch circuit malfunction | ON | 2 | CCM | C | x | ||||
| DTC P0564 | Cruise control switch circuit malfunction | OFF | 1 | Other | C | x | ||||
| DTC P0571 | Brake switch circuit malfunction | OFF | 1 | Other | C | x | ||||
| DTC P0601 | Internal control module memory check sum error | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0602 | PCM programming error | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0604 | PCM RAM error | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0606 | PCM processor | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0607 | Control module performance | OFF | 1 | Other | C, O, R | x | ||||
| DTC P0610 | Control module vehicle options error | ON | 1 | CCM | C, O, R | x | ||||
| DTC P0611 | Fuel injector control module performance | OFF | 1 | Other | C, O, R | x | ||||
| DTC P0638 | Throttle actuator control range/performance | ON | 1 | CCM | C | x | ||||
| DTC P0703 | Brake switch No. 1 circuit malfunction | ON | 2 | CCM | C | x | ||||
| DTC P0704 | Clutch switch circuit malfunction | ON | 2 | CCM | C | x | ||||
| DTC P0850 | Neutral switch circuit malfunction | ON | 2 | CCM | c | x | ||||
| DTC P2004 | Variable swirl control system shutter valve stuck open | ON | 2 | CCM | C, R | x | ||||
| DTC P2006 | Variable swirl control system shutter valve stuck closed | ON | 2 | CCM | C, R | x | ||||
| DTC P2009 | Variable swirl solenoid valve control circuit low | ON | 2 | CCM | C, O, R | x | ||||
| DTC P2010 | Variable swirl solenoid valve control circuit high | ON | 2 | CCM | C, O, R | x | ||||
| DTC P2088 | OCV actuator circuit low | ON | 1 | CCM | CO, R | x | ||||
| DTC P2089 | OCV actuator circuit high | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2096 | Target A/F feedback system too lean | ON | 2 | Fuel system | C | x | ||||
| DTC P2097 | Target A/F feedback system too rich | ON | 2 | Fuel system | C | x | ||||
| DTC P2100 | Throttle actuator circuit open | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2101 | Throttle actuator circuit range/performance | ON | 1 | CCM | C, R | x | ||||
| DTC P2102 | Throttle actuator circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2103 | Throttle actuator circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2107 | Throttle actuator control module processor problem | ON | 1 | CCM | C, R | x | ||||
| DTC P2108 | Throttle actuator control module performance problem | ON | 1 | CCM | C, R | x | ||||
| DTC P2119 | Throttle actuator control throttle body range/performance | ON | 1 | CCM | C, R | x | ||||
| DTC P2122 | Accelerator pedal position (APP) sensor No. 1 circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2123 | Accelerator pedal position (APP) sensor No. 1 circuit high input | ON | 1 | CCM | C 0, R | x | ||||
| DTC P2127 | Accelerator pedal position (APP) sensor No. 2 circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2128 | Accelerator pedal position (APP) sensor No. 2 circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2135 | Throttle position sensor No. 1/No. 2 voltage correlation problem | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2138 | Accelerator pedal position (APP) sensor No. 1/No. 2 voltage correlation problem | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2177 | Fuel system too lean at off idle | ON | 2 | Fuel system | C, R | x | ||||
| DTC P2178 | Fuel system too rich at off idle | ON | 2 | Fuel system | C, R | x | ||||
| DTC P2187 | Fuel system too lean at idle | ON | 2 | Fuel system | C, R | x | ||||
| DTC P2188 | Fuel system too rich at idle | ON | 2 | Fuel system | C, R | x | ||||
| DTC P2195 | Front HO2S signal stuck lean | ON | 2 | HO2S | C | x | ||||
| DTC P2196 | Front HO2S signal stuck rich | ON | 2 | HO2S | C | x | ||||
| DTC P2228 | BARO sensor circuit low input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2229 | BARO sensor circuit high input | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2237 | Front HO2S positive current control circuit open | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P2245 | Front HO2S sensor reference voltage circuit low input | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P2246 | Front HO2S sensor reference voltage circuit high input | ON | 2 | HO2S | C, 0, R | x | ||||
| DTC P2251 | Front HO2S negative current control circuit open | ON | 2 | HO2S | C, O, R | x | ||||
| DTC P2401 | EVAP system leak detection pump motor circuit low | ON | 2 | CCM | C, R | x | ||||
| DTC P2402 | EVAP system leak detection pump motor circuit high | ON | 2 | CCM | C, R | x | ||||
| DTC P2404 | EVAP system leak detection pump sensor circuit malfunction | ON | 2 | CCM | C, R | x | ||||
| DTC P2405 | EVAP system leak detection pump sensor circuit low input | ON | 2 | CCM | C, R | x | ||||
| DTC P2407 | EVAP system leak detection pump sensor circuit intermittent | ON | 2 | CCM | C, R | x | ||||
| DTC P2502 | Generator terminal B circuit open | OFF | 1 | - | C, R | x | ||||
| DTC P2503 | Generator output voltage signal no electricity | OFF | 1 | Other | C, R | x | ||||
| DTC P2504 | Battery overcharge | OFF | 1 | Other | C, R | x | ||||
| DTC P2507 | PCM +BB (back-up battery) voltage low | ON | 1 | CCM | C, O, R | x | ||||
| DTC P2610 | PCM internal engine off timer performance | ON | 2 | CCM | C | x | ||||
| U0073 | CAN system communication error | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3 WITH TC)] ). | ||||||||
| U0121 | Communication error to ABS HU/CM | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3 WITH TC)] ). | ||||||||
| U0155 | Communication error to instrument cluster | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3 WITH TC)] ). | ||||||||
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.