Chrysler B1001: A/C Switch Request Input Circuit Low

Is your scanner showing Chrysler B1001?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chrysler B1001: A/C Switch Request Input Circuit Low

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$200-$450
Can I Still Drive?
:
Yes (Short-term only)

What Does The Chrysler B1001 Code Mean?

This DTC will be set if the Instrument Cluster (CCN) detects voltage below 0.55 volts for 10 seconds on the (C105) HVAC MUX Control circuit.

What Are The Potential Causes Of The Chrysler B1001 Code?

  • (C105) HVAC Mux Control Circuit Shorted To Ground
  • (C105) Hvac Mux Control Circuit Shorted To (Z906) Ground Circuit
  • (C105) HVAC Mux Control Circuit Shorted To (C955) Hvac Mux Return Circuit
  • Instrument Cluster (CCN)
  • A/C Heater Control

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
>>> Chrysler Instrument Cluster
>>> Charger Magnum Chrysler 300 A/C Air Conditioning Heater Control Switch Mopar OEM

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

Reference Sources

Chrysler B1001, DTCDECODE.

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