P263D - Reductant Heater Driver Performance
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P263D - REDUCTANT HEATER DRIVER PERFORMANCE
| Description: This DTC sets when the glow plug control module (GPCM) indicates an internal software error has occurred. | |||
Possible Causes:
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| Diagnostic Aids:
Disconnect all GPCM connectors and inspect for damage such as pushed out pins or corrosion and repair as necessary. Connect all GPCM connectors. Clear the DTCs. Carry out the PCM self-test. If the DTC is retrieved again, turn the ignition OFF and wait for 2 minutes. Reprogram the GPCM or update the GPCM calibration. Clear the DTCs. Carry out the PCM self-test. If the DTC is retrieved again, install a new GPCM. Refer to the appropriate Glow Plug System article. The presence of this DTC may indicate 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. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||