P0DA7: Drive Motor B Inverter Voltage Sensor A Circuit Intermittent/Erratic

P0DA7 is meant for a rear inverter voltage reading that jitters or drops out briefly without staying out of range long enough for P0DA5 or P0DA6. No manufacturer documents this code publicly. The neighbouring Mitsubishi checks give the time scale: the rear motor unit of the Outlander PHEV needs 0.3 s outside its window for the low or high fault, and the 2023 plausibility test waits 0.2 s, so faster glitches call for a separate detector. Denso's patent US9819293B2 compares the measured inverter input voltage with a value estimated from the motor control loop, an approach that also exposes an unsteady sensor. Likely triggers are a loose low-voltage plug at the inverter, a high-voltage terminal with poor contact, or sensing electronics that fail with heat. The hybrid warning may come and go.

Symptoms

• Hybrid warning that appears and clears
• Brief loss of rear drive power

Most likely causes

• Low-voltage connector at the rear inverter with intermittent contact
• High-voltage terminal at the rear inverter not tightened properly
• Voltage sensing electronics failing with temperature or vibration

What to check, in order

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

1. Read the codes with a hybrid-compatible scanner and write down the freeze frame data
2. Gently move the wiring with the engine running and watch whether the reading changes.
3. Make sure the battery cooling air intake is clean
4. Check the 12 V auxiliary battery, which can also trigger warnings
5. 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 P0DA7 means

• P: Powertrain: engine and transmission
• 0: Generic code: same on every make
• D: Subsystem depends on the code range
• A7: Specific fault in that system

Frequently asked questions

Can I keep driving with code P0DA7?

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 P0DA7?

The most common causes are: low-voltage connector at the rear inverter with intermittent contact; high-voltage terminal at the rear inverter not tightened properly; voltage sensing electronics failing with temperature or vibration.

Related codes

• P0DA3Drive Motor B Inverter Voltage Sensor A Circuit
• P0DA5Drive Motor B Inverter Voltage Sensor A Circuit Low
• P0DA6Drive Motor B Inverter Voltage Sensor A Circuit High
• P0D31Drive Motor A Inverter Voltage Sensor A Circuit Intermittent/Erratic

Sources

• law.cornell.edu: 13 CCR 1968.2
• patents.google.com: en
• mitsubishitechinfo.com: M154930980001300USA
• mitsubishitechinfo.com: N503240400000700USA

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.