P2358 code meaning
Cylinder 10 Pressure Too High
Powertrain system Generic code P23xx codes Check engine light
What P2358 means
P2358 indicates that the pressure determined for cylinder 10 exceeds its upper expectation. No manufacturer documents this cylinder-10 code. The closest published cases are Audi bulletins for the 2015 S3 with the 2.0 TFSI engine code CYFB: there the pressure-too-high codes of cylinders 1 to 4 (P039B00 to P03B900) showed up with misfire codes and P130A00, the entry for a cylinder the ECM has hidden, that is, switched off. The EPC lamp lit. Faulty software was to blame; an update to part number 8V0 906 259H, version 0002, cured it. So a gasoline engine without glow plugs uses this family too. On a diesel with pressure sensors, a true excess points to surplus or early fuel, such as a leaking injector, or to a sensor whose output has crept upward. With the cylinder shut off, power drops noticeably.
P2358 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium
- Typical labor0.5 to 5 hours
- Clears after repairAfter a drive cycle
Symptoms of P2358
- Warning lamp on, sometimes together with misfire codes
- Hard, knocking combustion noise
- Reduced power if the cylinder is switched off
Common causes of P2358
- PossibleEngine control software misjudging combustion (update available)
- PossibleInjector of cylinder 10 leaking or over-delivering
- Less likelyPressure sensor reading too high
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Cylinder pressure sensor glow plugSensor wiringEngine control moduleFuel injector
What each part of P2358 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 3 | Area: ignition system or misfire. |
| 58 | The exact fault in that area. |
What to do next
- Note P2358 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P2358
What does P2358 mean?
P2358 means "Cylinder 10 Pressure Too High". P2358 indicates that the pressure determined for cylinder 10 exceeds its upper expectation. It is a generic code, so it means the same on every make.
Is it safe to drive with P2358?
Drive gently and only to a workshop. With P2358 the car can go into limp mode (reduced power) to protect itself.
Will P2358 fail an emissions test?
Yes, it can. P2358 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P2358 to fix?
Difficulty: medium. A typical repair takes 0.5 to 5 hours of work. This is a job for a workshop.
Will P2358 clear itself after the repair?
After the repair the car has to complete a drive cycle (a mix of city and highway driving) before the test runs again. Until then the readiness monitor shows "not ready", which can fail an inspection.