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DTC P1299: Cylinder Head Over Temperature Protection Active

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DTC P1299: CYLINDER HEAD OVER TEMPERATURE PROTECTION ACTIVE

Description:  Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. A failure mode effects management (FMEM) strategy called fail-safe cooling was activated to cool the engine.
Possible Causes: 
  • Engine cooling system concerns
  • Low engine coolant level
  • Base engine concerns
Diagnostic Aids:  Refer to POWERTRAIN CONTROL SOFTWARE , for more information on the fail-safe cooling strategy and CHT sensor.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DL .
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