DTC B2840-13: SRS Unit Connector A Not Properly Installed

2015 Acura RDX AWDSECTION DTC B2840-13: SRS Unit Connector A Not Properly Installed
Confirmation Procedure Basic Condition:
  • Battery voltage 10 - 16 V

With the Driving Pattern:

  • 1.

    Press the engine start/stop button to select the ON mode, and wait 6 seconds.

Duration About 6 seconds
DTC Type
  • 1 drive cycle
  • SRS indicator on
Fail Safe Action
  • None
Possible Cause
  • Poor connection between the SRS unit and connector A
  • SRS unit internal failure
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.