P1903
Read the instructions below then start the fault diagnostic procedure.
Symptom: CHECK ENGINE lamp on.
| P1903 | 
Exhaust Gas Temperature Rear Sensor Circuit, Open/Short to B+
Fault symptoms
| • | 
        CHECK ENGINE lamp on.
         | 
      |
On-Board Diagnostics
Fault criteria:
| - | 
        The voltage on the input is greater than 2.23 V.
         The condition above must be fulfilled for at least 0.48 s.  | 
      |
For more information, see also:
- "Read Values" menu for a description of read values.
- "Activate" menu for a description of applications.
