P0DF7: Generator Inverter Temperature Sensor C Circuit Range/Performance

P0DF7 is the plausibility code for temperature sensor C of the generator inverter. The idea behind it: after a long rest every power switch should be at roughly the same temperature, so a sensor that stands out is suspect. In Mitsubishi's Outlander PHEV the W-phase high-side sensor is compared once per trip, after 600 s or more of soak and with the IGBTs off, against the U- and V-phase sensors; a gap above 47 °C lasting 0.1 s stores P0DF7-00. The circuit itself is electrically fine in this case, so wiring checks rarely help, and Mitsubishi's procedure replaces the power drive unit. A genuine overheat of the inverter is reported separately as P0A3E. The same comparison on sensor B is P0DF4.

High severity. Can I keep driving?If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.

Symptoms

Engine warning light on after a cold start
Usually no noticeable change in driving
Possibly reduced generator power

Most likely causes

Sensor C drifted or stuck inside the IGBT module
Internal fault of the power drive unit
Control software misjudging the comparison

What to check, in order

Start with the simplest. You can tick off each step.

Read the codes with a hybrid-compatible scanner and write down the freeze frame data
Compare the reading with other engine data while varying the engine speed.
Make sure the battery cooling air intake is clean
Check the 12 V auxiliary battery, which can also trigger warnings
Leave any high-voltage measurements to a specialized repair shop

Good to know

It can trigger limp mode.
It affects emissions.

What each character of P0DF7 means

P: Powertrain: engine and transmission
0: Generic code: same on every make
D: Subsystem depends on the code range
F7: Specific fault in that system

Frequently asked questions

Can I keep driving with code P0DF7?

If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.

What causes code P0DF7?

The most common causes are: sensor C drifted or stuck inside the IGBT module; internal fault of the power drive unit; control software misjudging the comparison.

Related codes

Sources

Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.