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C1423: EPS Torque Sensor Power Source Circuit (Honda)

Severity: high

What it means: On Honda vehicles, C1423 relates to the electric power steering torque sensor power source circuit. Subtype -14 points to a malfunction that can turn on the EPS warning and cut steering assist.

Safe to drive? Use caution. Power steering assist can drop out, making the wheel very heavy.

Common symptoms

Likely causes, ranked

  1. EPS gearbox torque sensor power-supply fault$0Shop
  2. EPS wiring or connector faultShop
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Vehicle-specific notes

  • 2022–2022 Honda CR-V: Honda product update 22-011: a manufacturing issue can short the EPS torque sensor power supply, set C1423-14 and cut assist. Dealers replace the EPS gearbox assembly while reusing the original motor/control unit. Read the full answer · Source

What it means: On Honda vehicles, C1423 relates to the electric power steering torque sensor power source circuit. Subtype -14 points to a malfunction that can turn on the EPS warning and cut steering assist.

Severity: High. Safe to drive? Use caution. Power steering assist can drop out, making the wheel very heavy.

DIY or shop?

Dealer. On 2022 CR-V, Honda product update 22-011 replaces the EPS gearbox for this condition.

Before you replace parts

  1. Read all stored EPS codes with a capable scanner.
  2. Check your VIN for Honda product update 22-011.
  3. Confirm battery voltage is healthy before condemning the gearbox.
  4. Clear the code only after the repair, then confirm assist stays on.

Safety / mechanic note

Verify with a mechanic. Loss of power steering assist can make the vehicle hard to steer, especially at low speed. A code points to a circuit or system, not always a specific part.

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Sources