P1900
Read the instructions below then start the fault diagnostic procedure.
Symptom:
| P1900 | 
Exhaust Gas Temperature Front Sensor, Not Plausible with Ambient Temperature
On-Board Diagnostics
Fault criteria:
| - | 
        Sensor signal is unrealistic.
         | 
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For more information, see also:
- "Read Values" menu for a description of read values.
- "Activate" menu for a description of applications.
