Chrysler B1C4C: 1st Row Passenger Seat Belt Buckle Tensioner Circuit Low

Is your scanner showing Chrysler B1C4C?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chrysler B1C4C: 1st Row Passenger Seat Belt Buckle Tensioner Circuit Low

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$30-$100
Can I Still Drive?
:
Yes

What Does The Chrysler B1C4C Code Mean?

The ORC sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up and every 500 ms thereafter while the ignition is in on. The module then monitors the return wire to determine the state of the circuit. This DTC sets when the ORC detects a short to ground on the squib circuit for more than 2.5 seconds. This DTC transitions from active to stored when the module sees a recovery from a short to ground for greater than five seconds.

What Are The Potential Causes Of The Chrysler B1C4C Code?

  • (R54) passenger seat belt tensioner line 2 circuit shorted to ground
  • (r56) passenger seat belt tensioner line 1 circuit shorted to ground
  • Passenger seat belt buckle tensioner
  • Occupant restraint controller (ORC)

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
>>> Buckle Assembly-S/Belt Buckle Assembly - Mopar (1HZ141L1AD)
>>> Occupant Restraint Module - Mopar (68371752AA)

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

Reference Sources

Chrysler B1C4C, DTCDECODE.

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