OBD Guide
ENFRDEESPT

P190A

Drive Motor Inverter Phase U Temperature Erratic

P190A is an OBD-II diagnostic trouble code meaning: Drive Motor Inverter Phase U Temperature Erratic. Common causes: phase u inverter temperature sensor fault, problems with wiring or connectors. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Problems with the operation of the hybrid system
  • Inverter overheating
  • Rough engine operation

Causes

  • Phase U inverter temperature sensor fault
  • Problems with wiring or connectors
  • Malfunction of the inverter itself
  • Problems with the power plant control unit
  • Short circuit in the sensor circuit

How to Fix

  1. Check the temperature sensor of the inverter phase U
  2. Inspect wiring and connectors for damage
  3. Check the performance of the inverter
  4. Scan the control unit for other errors
  5. If necessary, replace faulty components

Related codes

P190BP190CP0A00

FAQ

What does the P190A code mean?

P190A is an OBD-II diagnostic trouble code that indicates: Drive Motor Inverter Phase U Temperature Erratic

What causes a P190A error code?

The most common causes of P190A include: Phase U inverter temperature sensor fault; Problems with wiring or connectors; Malfunction of the inverter itself; Problems with the power plant control unit.

How do I fix a P190A diagnostic trouble code?

To fix P190A: Check the temperature sensor of the inverter phase U. Inspect wiring and connectors for damage. Check the performance of the inverter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P190A?

Limited driving only, diagnose soon

How much does it cost to fix P190A?

The estimated repair cost for P190A is $56–278. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat