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.
Mode $02 (Freeze Frame Data)
Refer to data denoting the operating condition when trouble is detected by on-board diagnosis system.
A list of the support data and PID (Parameter Identification) codes are shown in the following table.
| PID | Data | Unit of measure |
|---|---|---|
| $02 | DTC that caused required freeze frame data storage | - |
| $04 | Calculated LOAD Value | % |
| $05 | Engine Coolant Temperature | °C |
| $0C | Engine RPM | rpm |
| $0D | Vehicle Speed Sensor | km/h |
| $0F | Intake Air Temperature | °C |
| $11 | Absolute Throttle Position | % |
| $1F | Time Since Engine Start | sec |
| $21 | Distance Traveled While MIL is Activated | km |
| $30 | Number of warm-ups since DTCs cleared | - |
| $31 | Distance traveled since DTCs cleared | km |
| $33 | Barometric Pressure | kPa |
| $42 | Control module voltage | V |
| $46 | Ambient Air Temperature | °C |
| $49 | Accelerator Pedal Position D | % |
| $4A | Accelerator Pedal Position E | % |
| $4D | Engine run time while MIL activated | sec |
| $4E | Engine run time since DTCs cleared | sec |
| $5B | Hybrid Battery Pack Remaining Charge | % |
| $65 | Auxiliary Inputs/Output Status | - |
| $9A | Hybrid/EV Vehicle System Data | V, A |
Refer to general scan tool manufacturer's operation manual to access the present freeze frame data (MODE $02).
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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.