Symptom Chart: Stoplamps
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to SERVICE INFORMATION , Diagnostic Methods for information regarding Ford-specific diagnostic practices.
Symptom Chart: Stoplamps
| Condition | Possible Sources | Actions |
| A module does not respond to the scan tool | Fuse Wiring, terminals or connectors Module |
REFER to COMMUNICATIONS NETWORK , Symptom Chart: Communication Network. |
| All the stoplamps are inoperative | Fuse Wiring, terminals or connectors Stoplamp Switch BCM |
GO to Pinpoint Test M . |
| One or more stoplamps are inoperative | Wiring, terminals or connectors Rear lamp assembly High mounted stoplamp |
GO to Pinpoint Test N . |
| The stoplamps are on continuously | Wiring, terminals or connectors Stoplamp Switch RFA module PCM BCM |
GO to Pinpoint Test O . |