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.
Manufacturer Specific Freeze Frame
The manufacturer specific freeze frame data is DTC snapshot data that allows a manufacturer to store vehicle condition information when a DTC sets. This is similar to the OBDII freeze frame functionality that already exists in the PCM. The manufacturer defines the snapshot data to provide the conditions at the time when a fault occurred. Each snapshot is about 40 - 50 PIDs with up to 5 snapshots available for up to 5 different DTCs. The PCM reports the most recent fault conditions for the DTC, and refreshes a maximum of once per operation cycle.
| PID Name | Description | Measurement Units |
|---|---|---|
| APP1 | Accelerator Pedal Position Sensor 1 | Volts |
| APP2 | Accelerator Pedal Position Sensor 2 | Volts |
| APP_FLT | Accelerator Pedal Position Status | Fault, No Fault |
| BARO | Barometric Pressure | Pressure, in H20 |
| CHT_F | Cylinder Head Temperature Status | Fault, No Fault |
| CHTIL | Cylinder Head Temperature Indicator Lamp | On, Off |
| ECT | Engine Coolant Temperature | Degrees |
| ECT_F | Engine Coolant Temperature Status | Fault, No Fault |
| EGR_F | Exhaust Gas Recirculation Status | Fault, No Fault |
| EGRPCT | Commanded EGR | Percent |
| ETC [TAC_PCT] | Commanded Throttle Actuator Control | Percent |
| ETC_TRIM_LRN | Throttle Angle Trim Value Has Learned | Yes, No |
| FF_LRND | Flex Fuel Learned | Yes, No |
| FLI | Fuel Level | Percent |
| FTP_H2O | Fuel Tank Pressure Input | Pressure |
| FUELSYS | Fuel System Status | Open Loop, Closed Loop |
| GEAR | Transmission Gear Status | Gear |
| IAT | Intake Air Temperature | Degrees |
| IAT_F | Inlet Air Temperature Status | Fault, No Fault |
| LOAD | Calculated Engine Load | Percent |
| LONGFT1 | Long Term Fuel Trim Bank 1 | Percent |
| LONGFT2 | Long Term Fuel Trim Bank 2 | Percent |
| MAF | Mass Airflow Rate | g/s |
| MAF_F | Mass Airflow Status | Fault, No Fault |
| MAP | Manifold Absolute Pressure | kPa, PSI, in-Hg |
| MAP_F | Manifold Absolute Pressure Sensor Status | Fault, No Fault |
| MISFIRE | Misfire Malfunction Detection | Yes, No |
| MP_LRN | Learned Misfire Correction Profile | Yes, No |
| O2S11 | Bank 1 Upstream Oxygen Sensor (11) | Volts |
| O2S12 | Bank 1 Downstream Oxygen Sensor (12) | Volts |
| O2S21 | Bank 2 Upstream Oxygen Sensor (21) | Volts |
| O2S22 | Bank 2 Downstream Oxygen Sensor (22) | Volts |
| OSS_SRC | Output Shaft Speed | RPM |
| RPM | Engine RPM | RPM |
| RPMDSD | RPM Desired | RPM |
| RUNTM | Run Time | Seconds |
| SHRTFT1 | Short Term Fuel Trim Bank 1 | Percent |
| SPARKADV | Spark Advance | Degrees |
| TCC | Torque Converter Clutch | Percent |
| TP1 | Throttle Position 1 Voltage | Volts |
| TP2 | Throttle Position 2 Voltage | Volts |
| TP_F | Throttle Position Sensor Status | Fault, No Fault |
| TP_REL | Relative Throttle Position | % |
| TQ_CNTRL | Torque Fuel Spark Limiting Status | Status |
| VPWR | Vehicle Power Voltage | Volts |
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.