Possible causes

Engine cooling system concerns.

Low engine coolant level.

Base engine concerns.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1299 Description

Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. An FMEM strategy called Fail-safe Cooling was activated to cool the engine.

P1299 Information for specific makes

P1299 DODGE
P1299 FORD