B2301 - FAULT CODE - OBD2

POST UPDATED IN February, 2023

B2301 Code failures by brands

B2301 CHRYSLER, DODGE, JEEP, RAM: WIPER MODE SWITCH INPUT CIRCUIT LOW

Description of DTC code B2301

Windscreen wipers are a factor of safety and control of the vehicle. These components are made in the form of movable arms that have rubber elements at the ends. Their function is to initiate a wiping process.  Each end of the arm is connected by a hinge to the rods, which allows the coupling and ensures a synchronized movement. The wiper system is activated by a geared motor which is powered by a relay.

The B2301 OBD2 fault code is set when the instrument cluster detects a lower than the expected voltage on the input circuit of the Wiper Mode Switch.

Symptoms of fault code B2301

Causes of OBD2 B2301

The B2301 OBDII diagnostic code is stored due to the following reasons:

  • The wiring or circuit connectors of the Multifunction Switch may be faulty.
  • The Electrical connections of the Multifunction Switch may be in poor condition.
  • The Multifunction Switch may be faulty.

Possible solutions of the DTC code B2301

To troubleshoot DTC B2301 OBD2, try this:

  • First, consult the Service Bulletins.
  • Check the wiring in the Multifunction Switch circuit and make sure it is in good condition. If you discover damage due to burning or wear, make the appropriate adjustments.
  • Check the Multifunction Switch circuit connections for deficiencies caused by bent pins or corroded connector terminals, and conditions that produce insufficient voltages. Repair if necessary.
  • Check the Multifunction Switch for some damage following the manufacturer's diagnostic steps. If after performing these tests there are still shortages, make the appropriate corrections.

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