FixVault

DTC P050B Spark Timing Error: DTC Detecting Condition

DTC DETECTION CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor the spark timing
  • Faulty Ignition Coil
  • Faulty PCM
Enable Conditions
  • After engine overnight soaking
  • Vehicle is not rapidly accelerating or decelerating.
  • 11V < Battery Voltage < 16V
  • Engine is running.
  • NO DTC related to CKPS, Ignition coil, and Misfire
Thresh old value
  • The actual spark timing > the commanded spark timing + 15° or < the commanded spark timing -15°
Diagnosis Time
  • Within 1 minute after cold-starting
MIL On Condition
  • 2 driving cycles