P1298 Buick Electric Load Detector (ELD) Circuit High Voltage

P1299 Buick Cylinder Head Overtemperature Protection Active

Possible causes
  • Engine cooling system concerns.
  • Low engine coolant level.
  • Base engine concerns.
    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1299 Buick 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.

    Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera