P1108 – Acura DTC

Acura DTC P1108 – BARO Circuit High Input

DTC P1108 meaning on Acura

DTC P1108 on an Acura indicates a high input signal from the Barometric Pressure (BARO) sensor circuit. The Engine Control Module (ECM) monitors the BARO sensor to determine the atmospheric pressure, which is crucial for calculating air density and adjusting fuel delivery. A high input signal suggests that the BARO sensor is reporting a pressure reading that is outside the expected range.

Acura DTC P1108 symptoms

Symptoms of DTC P1108 on an Acura may include:

• Check Engine Light (CEL) illuminated
• Reduced engine performance
• Decreased fuel efficiency
• Rough idling or stalling

Acura DTC P1108 causes

Common causes of DTC P1108 on an Acura include:

• Defective BARO sensor
• Wiring or connector issues in the BARO sensor circuit
• ECM software or hardware problems

Acura DTC P1108 seriousness

DTC P1108 should not be ignored as it can lead to poor engine performance and reduced fuel efficiency. While the vehicle may still be operable with this code present, it is recommended to address the issue promptly to prevent further damage and ensure optimal engine operation.

How to diagnose DTC P1108 on Acura

To diagnose DTC P1108 on an Acura, follow these steps:

1. Use an OBD-II scanner to retrieve the trouble codes and freeze frame data.
2. Inspect the BARO sensor and its wiring for any visible damage or corrosion.
3. Check the BARO sensor’s voltage output using a multimeter to ensure it is within specifications.
4. Perform a smoke test to check for any vacuum leaks that could affect the BARO sensor readings.

How to fix DTC P1108 on Acura

To fix DTC P1108 on an Acura, consider the following steps:

1. Replace the BARO sensor if it is found to be faulty.
2. Repair any damaged wiring or connectors in the BARO sensor circuit.
3. Update the ECM software if necessary to address any software-related issues.
4. Clear the trouble codes and perform a test drive to ensure the issue has been resolved.

How to erase DTC P1108 on Acura

To erase DTC P1108 on an Acura, you can use an OBD-II scanner to clear the trouble codes. Follow these steps:

1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Select the option to erase trouble codes from the scanner menu.
3. Confirm the action and wait for the scanner to clear the codes.
4. Disconnect the scanner and start the vehicle to ensure the codes have been successfully erased.

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