DTC P2228 - Barometric Pressure Sensor Circuit Low

Conditions for setting dtc P2228

Engine Running
Barometric Pressure Sensor ≤ 0.1 volts
The above must be present for a period of 128 instances/cycles or greater to trigger DTC P2228

Step

Action

Value (s)

YES

NO

1

- Key on, Engine running

- Within VCM Live, open the Baro sensor DTC Minimum voltage parameter, does the Baro sensor parameter display 0.1 volts or less?

≤ 0.1 volts

Go to Step 2

Intermittent Issue

(Refer to Intermittent Diagnostics)

2

- Key off

- Disconnect the CORE connector "C"

- Check continuity between the Baro sensor connector signal cavity 3 and ECU baro signal connector "C" pin 29

- Do you have continuity between them?

 

Go to Step 3

Repair the circuit as necessary, locate any wires that need to be repaired or replaced

3

- check for continuity between the baro sensor connector 5 volt reference cavity 2 and ECU 5v C12-2

- Do you have continuity?

 

Go to Step 4

Repair the circuit as necessary, locate any wires that need to be repaired or replaced

4

- Check for continuity between the baro sensor connector low reference cavity 1 and ECU ground C12-1

- Do you have continuity?

 

Go to Step 5

Repair the circuit as necessary, locate any wires that need to be repaired or replaced

5

- Replace the baro sensor

- Is the replacement complete?

 

Go to Step 6

N/A

6

- Clear any DTC from the ECU

- Turn the ignition off and wait 30 seconds

- Start the engine and operate the engine to full operating temperature

- Observe the Check Engine Light on the Menu bar in VCM Live

- After operating the engine within the test parameters, check for any store codes

- Does the engine operate without any stored DTC's?

 

System is now operational and ready to be tuned

Contact HP Tuners Support

Table 50. Barometric Pressure Sensor Circuit Low Diagnostics Table