P1106 – Acura DTC

Acura DTC P1106 – BARO Sensor Circuit Range/Performance Malfunction

DTC P1106 meaning on Acura

DTC P1106 on an Acura indicates a Barometric (BARO) Sensor Circuit Range/Performance Malfunction. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects that the signal from the BARO sensor is outside the expected range or is not performing as it should.

Acura DTC P1106 symptoms

Symptoms of DTC P1106 on an Acura may include:

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

Acura DTC P1106 causes

Common causes of DTC P1106 on an Acura include:

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

Acura DTC P1106 seriousness

While DTC P1106 may not cause immediate drivability issues, it can affect the engine’s performance and fuel efficiency. Ignoring this code may lead to further damage or poor vehicle operation over time.

How to diagnose DTC P1106 on Acura

To diagnose DTC P1106 on an Acura, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the trouble codes stored in the ECM
2. Inspect the BARO sensor and its wiring for any visible damage or corrosion
3. Test the BARO sensor’s voltage and resistance to ensure it is functioning correctly
4. Check for any loose connections or shorts in the sensor circuit

How to fix DTC P1106 on Acura

To fix DTC P1106 on an Acura, the following steps may be taken:

1. Replace the faulty BARO sensor if it is determined to be the cause
2. Repair any damaged wiring or connectors in the BARO sensor circuit
3. If the issue persists, reprogram or replace the ECM as needed

How to erase DTC P1106 on Acura

To erase DTC P1106 on an Acura, the following steps can be followed:

1. Use a diagnostic scanner to clear the trouble codes stored in the ECM
2. After making any necessary repairs, ensure the issue is resolved before clearing the codes
3. Once the codes are cleared, test drive the vehicle to verify that the CEL does not reappear

Recommended tools for Acura diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.