Chrysler P1622: O2 Sensor Reference Voltage Circuit High

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

Presented by
Randy Worner

Chrysler P1622: O2 Sensor Reference Voltage Circuit High

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

What Does The Chrysler 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 Chrysler 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
>>> Cardone 79-4407 Remanufactured Chrysler Computer (Renewed)
>>> Sangyue Oxygen Sensor for Chrysler Town & Country

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

Reference Sources

Chrysler P1622, DTCDECODE.

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