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P1299 — Cylinder Head Overtemperature Protection

Severity: Critical

Drive Advice:
Advanced fault detected. Diagnose soon.

Repair Cost: $80.00 — $3500.00
Repair Time: 30 — 480 minutes
Emissions / Smog: May Fail

Common Symptoms

  • Warning light
  • Reduced performance

    • Common Causes

  • Sensor issue
  • Wiring issue

    • Diagnostic Order

  • Scan code
  • Check wiring
  • Inspect parts

    • Tools Required

  • Scanner
  • Multimeter

    • Brand Specific Notes

    Important Disclaimer

    Diagnostic results are informational only. Severity depends on vehicle condition and other fault codes.