DTC P2478 - Exhaust Gas Temperature Out Of Range (Bank 1 Sensor 1)
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P2478 - EXHAUST GAS TEMPERATURE OUT OF RANGE (BANK 1 SENSOR 1)
| Description: | This DTC sets when the exhaust gas temperature bank 1, sensor 1 (EGT11) temperature reads greater than 1100°C (2012°F). | ||
| Possible Causes: |
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| Diagnostic Aids: | The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RC . | ||