Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- Low
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $30 to $300
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P1780 Transmission Control Switch Circuit Out of Self-Test Range (Manufacturer Code) Low
On Ford vehicles and related brands, the P1780 code refers to the switch on the shift lever that lets you turn off overdrive. Its failure does not affect safety or the engine: what you lose is the ability to cancel that gear by hand.