Pinpoint Test J: U201A:51, U2101:00
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
The PACM sets Diagnostic Trouble Codes when PMI isn't completed or if incorrect module parameters are set.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PACM U201A:51 Control Module Main Calibration Data: Not Programmed This DTC sets in the PACM due to incomplete or incorrect PMI procedures. PACM U2101:00 Control Module Configuration Incompatible: No Sub Type Information This DTC sets in the PACM due to incomplete or incorrect PMI procedures. Possible Sources
- PACM programming concern
- J1 CHECK FOR RECENT SERVICE HISTORY
- Ignition ON.
- Check the vehicle service history for recent service actions related to PACM.
Have there been any recent service actions related to the PACM?
Yes PROGRAM the PACM using as-built data. REFER to: Module Programming . No INSTALL a new PACM for failure to retain module programming. REFER to: Pedestrian Alert Control Module (PACM) .