Scania EMS DTC 8487 Throttle

EMS Engine Management System · Scania

Code 8487 (decimal). Some diagnostic tools show it in hexadecimal as 2127.

In short

Throttle position sensor, potentiometer 2, indicates the incorrect voltage.

Applies to: EMS S8

What does Scania EMS fault code 8487 mean?

Throttle position sensor, potentiometer 2, indicates the incorrect voltage.

What causes Scania DTC 8487?

Short circuit to ground or open circuit.

How does the system react?

Maximum engine torque is limited. The control unit uses a replacement value.

How to fix Scania EMS fault code 8487?

  1. Check fuses.
  2. Check whether the throttle potentiometers are short-circuited to earth.
  3. Check the function of the throttle.
  4. Renew the throttle unit.
  5. Renew the control unit ME7.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.