P00C7 code meaning
Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 1
Powertrain system Generic code P00xx codes Check engine light
What P00C7 means
With the engine stopped, all pressure sensors in the intake system (manifold pressure, boost pressure, barometric pressure) should read ambient pressure; some diesels also compare them at idle. The control module compares them: if one sensor stands out, it sets that sensor's own code. P00C7 is set when the readings disagree but no single sensor can be identified as faulty, which points to a fault affecting several sensors, such as a shared reference voltage or ground.
P00C7 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium, DIY possible
- Typical labor0.5 to 2 hours
- Clears after repairAfter a drive cycle
Symptoms of P00C7
- Check engine light on
- Often no further symptoms
- Substitute values with loss of power possible
Common causes of P00C7
- Most likelyShared 5 V reference or ground of the pressure sensors disturbed
- PossibleTwo sensors drifting at the same time (contamination, oil mist, ageing)
- PossiblePressure hose to a sensor leaking or blocked
- Less likelyEngine control module or software
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Manifold absolute pressure sensorBoost pressure sensorBarometric pressure sensorSensor reference voltage
What each part of P00C7 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 0 | Area: fuel and air metering and auxiliary emission controls. |
| C7 | The exact fault in that area. |
What to do next
- Note P00C7 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 P00C7
What does P00C7 mean?
P00C7 means "Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 1". With the engine stopped, all pressure sensors in the intake system (manifold pressure, boost pressure, barometric pressure) should read ambient pressure; some diesels also compare them at idle. It is a generic code, so it means the same on every make.
Is it safe to drive with P00C7?
Drive gently and only to a workshop. With P00C7 the car can go into limp mode (reduced power) to protect itself.
Will P00C7 fail an emissions test?
Yes, it can. P00C7 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 P00C7 to fix?
Difficulty: medium. A typical repair takes 0.5 to 2 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P00C7 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.