P1700 Transmission System Problems (Unknown/Unspecified)
What does P1700 mean on a Ford?
P1700 — Transmission System Problems (Unknown/Unspecified). This Ford-enhanced code applies to Older Ford automatics reporting a general trans fault flag.
Common causes of P1700
- An underlying transmission fault the TCM has flagged generally
- Low or degraded transmission fluid
- Intermittent solenoid or sensor fault
- Wiring fault in the transmission harness
- TCM fault
How to fix P1700
- Scan the transmission module for the specific underlying code
- Check fluid level and condition
- Inspect the transmission harness and connectors
- Diagnose the specific code found rather than P1700 alone
- Clear and road test after repairing the root cause