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.
OBDMID Test-ID 60 ($3C): Fuel Tank EVAP System Leak Test (0.020 /0.5 mm)
-- Connect the scan tool.
-- Start the engine and run at idle.
-- Select "Diagnostic Mode 06 - Check Test Results of Components that are not Continuously Monitored".
Select "OBDMID 60 ($3C)".
-- Select the desired "Test-ID (TID)" or "Hex-ID".
-- Check specified values at idle.
| Test ID (Hex-ID | DTC | Component or System | Min. | Max. | Additional Information |
|---|---|---|---|---|---|
| 129 ($81) | P0456 | EVAP Monitor very small leak. | 5800 ms | 65535 ms | Refer to DTC P0456 in the OBD DTC Summary Table for all monitoring values.SAE P0XXX DIAGNOSTIC TROUBLE CODES |
| 129 ($81) | P0456 | EVAP Monitor very small leak short trip. | 6500 ms | 65535 ms | Refer to DTC P0456 in the OBD DTC Summary Table for all monitoring values.SAE P0XXX DIAGNOSTIC TROUBLE CODES |
-- If any of components or systems fail to meet the specified values, refer to "Diagnostic Mode 03 - Interrogating Fault Memory" to check for stored DTC's or the corresponding diagnostic repair procedure, refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
-- Switch the ignition off.
End of Diagnosis.
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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.