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.
How To Set SRT Code: Description
OUTLINE
In order to set all SRTs, the self-diagnoses as in the "SRT ITEM" table must have been performed at least once. Each diagnosis may require actual driving for a long period of time under various conditions.
SRT ITEM
The table below shows required self-diagnostic items to set the SRT to "CMPLT".
| SRT item*1(CONSULT indication) | Required self-diagnostic items to set the SRT to "CMPLT" | Corresponding DTC No. |
|---|---|---|
| FUEL SYSTEM | Cylinder air-fuel imbalance | P0171, P0172 |
| CATALYST | Three way catalyst function | P0420 |
| MISFIRE | Cylinder function | P0301, P0302, P0303, P0304 |
| EVAP SYSTEM | EVAP control system purge flow monitoring | P0441 |
| EVAP control system | P0456 | |
| HO2S HTR | Air fuel ratio (A/F) sensor 1 heater | P0031, P0032, P0053 |
| Heated oxygen sensor 2 heater | P0037, P0038, P00D2 | |
| HO2S | Air fuel ratio (A/F) sensor 1 | P0130, P0131, P0132, P014C, P014D, P015A, P015B, P2096, P2097, P2237, P2238, P2239, P2251, P2252, P2253, P2297 |
| Heated oxygen sensor 2 | P0136, P0137, P0138, P0139, P2270, P2271, P2A01 | |
| EGR/VVT SYSTEM | Intake value timing control function | P0011, P0012, P0014, P0015, P052A, P052B |
*1: Though displayed on the CONSULT screen, "HO2S HTR" is not SRT item.
SRT SERVICE PROCEDURE
If a vehicle has failed the state emissions inspection due to one or more SRT items indicating "INCMP", review the flowchart diagnostic sequence, referring to the following flowchart.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.