Acura B2978: Short in the Passenger's Vent Air Temperature Sensor Circuit

Is your scanner showing Acura B2978?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B2978: Short in the Passenger's Vent Air Temperature Sensor Circuit

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$300
Can I Still Drive?
:
Yes (Short-term only)

What Does The Acura B2978 Code Mean?

This code indicates that a malfunction in the Passenger’s Vent Air Temperature Sensor  (“Short”) is detected.

What Are The Potential Causes Of The Acura B2978 Code?

Below are some potential causes of this DTC:

  • Perform the climate control self-diagnostic with the HDS or the climate control unit
  • Loose wires or poor connections on the passenger’s vent air temperature sensor circuit
  • “Short” to body ground in the wire between the climate control unit and the passenger’s vent air temperature sensor
  • “Short” circuit between the climate control unit and the passenger’s vent air temperature sensor
  • Faulty passenger’s vent air temperature sensor
  • Faulty climate control unit

Recommended Parts

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

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Acura Climate Control Unit
>>> Amrxuts Air Temperature Sensor

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

Reference Sources

Acura B2978, DTCDECODE.

Tagged :
You know someone would like this

Leave a comment

Your email address will not be published.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