OBD Guide

P0C14

Drive Motor B Inverter Phase U Over Temperature

P0C14 is an OBD-II diagnostic trouble code meaning: Drive Motor B Inverter Phase U Over Temperature. Common causes: inverter cooling system malfunction, motor overload (for example, when towing). Estimated repair cost: $556โ€“1667.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$556โ€“1667 (est.)

Symptoms

  • Reducing power or turning off the hybrid system
  • Malfunction warning on the dashboard
  • Overheating of components in the engine compartment
  • Limiting motor performance

Causes

  • Inverter cooling system malfunction
  • Motor overload (for example, when towing)
  • Problems with phase U temperature sensor
  • Malfunction of the inverter itself
  • Poor contact in power circuits

How to Fix

  1. Check the level and circulation of the inverter system coolant
  2. Diagnose inverter temperature sensors
  3. Check connections and wiring of power circuits
  4. Test the inverter on the bench
  5. Repair or replace motor inverter B

Related codes

Error P0C14 by Vehicle Brand

FAQ

What does the P0C14 code mean?

P0C14 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Inverter Phase U Over Temperature

What causes a P0C14 error code?

The most common causes of P0C14 include: Inverter cooling system malfunction; Motor overload (for example, when towing); Problems with phase U temperature sensor; Malfunction of the inverter itself.

How do I fix a P0C14 diagnostic trouble code?

To fix P0C14: Check the level and circulation of the inverter system coolant. Diagnose inverter temperature sensors. Check connections and wiring of power circuits. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C14?

Yes, but get it checked soon

How much does it cost to fix P0C14?

The estimated repair cost for P0C14 is $556โ€“1667. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat