Dodge P1622: O2 Sensor Reference Voltage Circuit High

Is your scanner showing Dodge P1622?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Dodge P1622: O2 Sensor Reference Voltage Circuit High

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$150-$500
Can I Still Drive?
:
Yes (Short-term only)

What Does The Dodge P1622 Code Mean?

The O2 Sensor Reference Signal voltage is above 3.7 volts for 9.0 seconds.

What Are The Potential Causes Of The Dodge P1622 Code?

  • O2 sensor return circuit shorted to voltage
  • O2 sensor return circuit open/high resistance
  • Oxygen (O2) sensor
  • Powertrain control module (PCM)

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Engine Control Module - Direct Fit, Sold individually
>>> MOSTPLUS 234-4587 Oxygen Sensor

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Dodge P1622, DTCDECODE.

Tagged :
You know someone would like this

Leave a comment

Your email address will not be published. Required fields are marked *