Mike's Workshop Manuals
: Service manuals for every vehicle
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Jeep
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2021
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Cherokee High Altitude, Automatic T/Case Control
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P0452 To P060F
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DTC Troubleshooting
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P050B-Cold Start Ignition Timing Performance
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Set Condition
Set Condition
Engine speed is 50 rpm or more (depending on vehicle specifications) below target idle speed for more than 3 seconds, and the average spark advance is above the failure threshold for more than the specified limit.