DTC P2043 (PCM) - Reductant Temperature Sensor Circuit Range/Performance
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P2043 (PCM) - REDUCTANT TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE
| Description: | The PCM completes a plausibility check on the reductant temperature sensor after a 6 hour cold soak by comparing the reductant temperature signal to the ambient air temperature and engine coolant temperature signals on startup. This DTC sets when the reductant temperature difference compared to the ambient air temperature and engine coolant temperature is greater than 20°C (36°F). | ||
| Possible Causes: |
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| Diagnostic Aids: | Diagnose and repair all circuit DTCs before diagnosing DTC P2043. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RI . | ||