P2C52
Cylinder 1 Fuel Injector B Offset Learning At Min Limit
What it means
P2C52 means Cylinder 1 Fuel Injector B Offset Learning At Min Limit.
Where it lives
For P2C52, the part to look at first is the injector named here. The description of P2C52 puts it on cylinder 1.
Check these first
- A clogged cylinder 1 injector B flowing less than commanded
- Low fuel pressure at cylinder 1
- A cylinder 1 injector B that flows below its learned offset
- A worn cylinder 1 injector B nozzle
What to do next
- Read cylinder 1 injector B offset on a scan tool
- Check fuel pressure at the rail
- Run a cylinder 1 injector B balance test
- Clean or replace cylinder 1 injector B if it stays at the min limit
- Relearn the injector B offset after service
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.