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.