FORD RANGER Workshop Manual.
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P0700 – Transmission Control System Malfunction
Important:
P0700 does NOT tell you what is wrong with the transmission.
The real problem is stored as a separate transmission-specific code.
P0700 is a “flag” telling the engine computer that something is wrong in the transmission system.
Catalytic converters contain precious metals like platinum, palladium, and rhodium.
When damaged, replacement can cost:
💰 $800–1500 (aftermarket)
💰 $1500–4000+ (OEM)
💰 $3000–6000 on luxury vehicles
And many failures are caused by ignoring certain engine codes.
Here are the 5 most dangerous ones.