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Column Reach Feedback Potentiometer Circuit Short to Battery

Jump to the fix

Severity

High

Can I keep driving?

Avoid extended driving; visit a service soon.

First step

Read the codes and check the reach position value; a reading pinned at maximum shows the line is held at supply voltage.

  • BBody
  • 2Manufacturer-specific
  • 3Body
  • 30Sequence number

What does it mean?

B2330 is a Body (airbags, seat belts, body electronics) fault code. It indicates: Column Reach Feedback Potentiometer Circuit Short to Battery .

Symptoms

  • The column runs to one end of its telescopic travel and will not come back.
  • Memory recall moves the column to the wrong reach position or not at all.
  • The column may move on its own when the door is opened or the ignition is switched.
  • Easy entry and exit and column memory storing stop working.
  • The reach position value in live data stays at full scale whatever the column does.

Likely causes

  • Feedback wire chafed inside the column loom against a powered conductor such as the motor feed or the ignition supply.
  • Liquid spilled into the steering column area bridging the signal pin to a supply pin in the connector.
  • Bent, spread or pushed back terminal in the column module or actuator connector touching a powered contact.
  • Internal short inside the potentiometer between the wiper track and the drive motor feed.
  • Harness pinched when the column shrouds, the multifunction switch or the air bag was refitted.
  • Aftermarket accessory wiring routed through the lower column area.
  • Column control module input stage failure.

How to fix it

  1. Read the codes and check the reach position value; a reading pinned at maximum shows the line is held at supply voltage.
  2. Disconnect the potentiometer or actuator connector and measure the feedback wire from the harness side with the key on.
  3. Battery voltage still present means the short is in the wiring; voltage that disappears means it is inside the actuator.
  4. Inspect the column loom where it bends with tilt and telescope movement, looking for chafing, crushing and melted insulation.
  5. Check for spilled liquid, corrosion and damaged terminals in the column connectors and dry them before retesting.
  6. Repair the wiring with sealed crimped joints and reroute the loom so it is not trapped by the moving column.
  7. Replace the reach potentiometer or actuator when the internal short is confirmed, then relearn the column memory positions.

Codes From the Same System

All Fault Codes

Related Similar Codes

This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.