P0263high severityPowertrain
Cylinder 1 Contribution/Balance
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
Cylinder 1 is not contributing its expected share of power output.
Symptoms
- Check Engine Light
- Rough idle
- Misfire
- Vibration
Common causes
- Low compression cylinder 1
- Faulty injector
- Valve issue
- Head gasket leak
Diagnostic steps
- Run power balance test
- Check compression
- Test injector
- Inspect valves
Repair notes
Diagnose mechanical condition of cylinder 1.
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Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
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P0011
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P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
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P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1