OBD Guide

P0AF3

Drive Motor Inverter Temperature Sensor B Circuit Range/Performance

P0AF3 is an OBD-II diagnostic trouble code meaning: Drive Motor Inverter Temperature Sensor B Circuit Range/Performance. Common causes: inverter b temperature sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $28โ€“133.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28โ€“133 (est.)

Symptoms

  • Malfunction indicator light comes on
  • Reduced motor performance
  • Transferring the system to emergency mode
  • Incorrect temperature readings on the scan tool
  • Disabling the regenerative braking system

Causes

  • Inverter B temperature sensor fault
  • Open or short circuit in the sensor circuit
  • Bad contacts in connectors
  • Circuit Grounding Problems
  • Inverter control module malfunction

How to Fix

  1. Check Inverter B temperature sensor parameters using a scan tool
  2. Inspect the sensor wiring harness and connectors for damage.
  3. Check sensor resistance and reference voltage
  4. If necessary, replace the inverter temperature sensor
  5. Check and reflash the inverter control module if necessary

Related codes

Error P0AF3 by Vehicle Brand

FAQ

What does the P0AF3 code mean?

P0AF3 is an OBD-II diagnostic trouble code that indicates: Drive Motor Inverter Temperature Sensor B Circuit Range/Performance

What causes a P0AF3 error code?

The most common causes of P0AF3 include: Inverter B temperature sensor fault; Open or short circuit in the sensor circuit; Bad contacts in connectors; Circuit Grounding Problems.

How do I fix a P0AF3 diagnostic trouble code?

To fix P0AF3: Check Inverter B temperature sensor parameters using a scan tool. Inspect the sensor wiring harness and connectors for damage.. Check sensor resistance and reference voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0AF3?

Yes, but get it checked soon

How much does it cost to fix P0AF3?

The estimated repair cost for P0AF3 is $28โ€“133. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat