Pinpoint Test E : The Speedometer Is Inoperative

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

E1 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the IPC self-test.
- Check for recorded Diagnostic Trouble Codes (DTCs) from the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to DTC Chart: Instrument Panel Cluster (IPC) .

No GO to E2

E2 PERFORM THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE SELF-TEST
- Using a diagnostic scan tool, perform the ABS module self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to: Anti-Lock Brake System (ABS) and Stability Control .

No GO to E3

E3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CM DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to: Communications Network .

No GO to E4

E4 PERFORM THE SPEEDOMETER ACTIVE COMMAND USING A SCAN TOOL
- Using a diagnostic scan tool, view the IPC Parameter Identifications (PIDs).
- Select the IPC speedometer (SPDOMETER) PID.
- Command the speedometer on and off while monitoring the speedometer.
Does the speed begin at 0 km/h (0 mph) move to 193 km/h (120 mph) and return to 0 km/h (0 mph)?

Yes DIAGNOSE all PCM Diagnostic Trouble Codes (DTCs). Refer to the appropriate Engine article for the procedure.

No Refer to IPC Guided Routine Testing .