Diagnostic system
Vehicle Network
106 published vehicle-specific guides. Match the vehicle and DTC before opening a diagnostic procedure.
Vehicle-specific system overviews
Understand how the system works before choosing a DTC guide. Match the vehicle, engine and configuration; these overviews do not replace the applicable service procedure.
- 2016-2024 Honda Civic 1.5 Turbo Gas Vehicle Network: How Module Communication Works and How to Diagnose It
2016-2024 Honda Civic 1.5 TurboGas
Vehicle-specific DTC guides
- U0029: N communication failure, bus off
2010-2017 Honda Accord 2.4 Gas
- U0029: N Communication Failure, Bus OFF
2010-2017 Honda Accord 2.4 Gas
- U0100: Lost Communication With The PCM (PGM-FI System
2010-2017 Honda Accord 2.4 Gas
- U0104: N Communication Failure - VSA Control Unit
2010-2017 Honda Accord 2.4 Gas
- U0122: F-CAN Malfunction (PCM-VSA Modulator-Control Unit
2010-2017 Honda Accord 2.4 Gas
- U0131: Gauge Control Module Lost Communication With EPS Unit
2010-2017 Honda Accord 2.4 Gas
- U0151: Gauge Control Module Lost Communication With SRS Unit
2010-2017 Honda Accord 2.4 Gas
- U0155: F-CAN Malfunction (PCM-Gauge Control Module
2010-2017 Honda Accord 2.4 Gas
- U0199: Keyless Access and Power Window Communication Error
2010-2017 Honda Accord 2.4 Gas
- U1280: Auto High Beam Support System Communication Fault
2010-2017 Honda Accord 2.4 Gas
- U1281: Auto High Beam Support System Communication Fault
2010-2017 Honda Accord 2.4 Gas
- U1288: Gauge Control Module Lost Communication With Parking and Backup Sensor Control Unit
2010-2017 Honda Accord 2.4 Gas
- U128D: Auto High-Beam Control Unit Lost Communication With Gauge Control Module
2010-2017 Honda Accord 2.4 Gas
- U129E: F-CAN Malfunction
2010-2017 Honda Accord 2.4 Gas
- U0029: F-CAN Malfunction, BUS-OFF at the ECM/PCM
2010-2015 Honda Civic 1.8 Gas
- U0029: F-CAN Malfunction, bus-off condition at the ECM/PCM
2010-2015 Honda Civic 1.8 Gas
- U0100: DTC Power Control Unit Lost Communication With ECM/PCM
2010-2015 Honda Civic 1.8 Gas
- U0122: Power Control Unit Lost Communication With VSA Modulator-Control Unit
2010-2015 Honda Civic 1.8 Gas
- U0127: Gauge Control Module Lost Communication With TPMS Control Unit (TPMS Message
2010-2015 Honda Civic 1.8 Gas
- U0131: DTC Gauge Control Module Lost Communication with EPS Unit
2010-2015 Honda Civic 1.8 Gas
- U0151: Gauge Control Module Lost Communication with SRS Unit
2010-2015 Honda Civic 1.8 Gas
- U0155: DTC Lost Communication With the Gauge Control Module - SRS Unit
2010-2015 Honda Civic 1.8 Gas
- U1280: Communication Bus Line Error (BUS-OFF
2010-2015 Honda Civic 1.8 Gas
- U1281: Immobilizer-Keyless Control Unit Lost Communication With MICU
2010-2015 Honda Civic 1.8 Gas
- U128D: MICU lost communication with gauge control module
2010-2015 Honda Civic 1.8 Gas
- U0416: Multipurpose Camera Unit
2010-2017 Honda Accord 2.4 Gas
- U0029: VSA Control Unit F-CAN Communication Line Error
2010-2016 Honda Cr V 2.4 Gas
- U0029: N Communication Failure (Bus OFF
2010-2016 Honda Cr V 2.4 Gas
- U0100: F-CAN Malfunction Lost Communication DTC Troubleshooting — Real Time AWD Control Unit - 20...
2010-2016 Honda Cr V 2.4 Gas
- U0104: N Communication Failure With Driving Support System Control Unit
2010-2016 Honda Cr V 2.4 Gas
- U0122: Real Time AWD Control Unit F-CAN Lost Communication
2010-2016 Honda Cr V 2.4 Gas
- U0131: U-Code Communication DTC Troubleshooting: Lost Communication With The EPS Control Unit - 2...
2010-2016 Honda Cr V 2.4 Gas
- U0151: Lost Communication With The SRS Unit
2010-2016 Honda Cr V 2.4 Gas
- U0155: Lost Communication With the Gauge Control Module
2010-2016 Honda Cr V 2.4 Gas
- U0199: Keyless Access - P/W Communication Error
2010-2016 Honda Cr V 2.4 Gas
- U0416: VSA Brake Actuator and VSA Modulator-Control Unit Malfunction
2010-2016 Honda Cr V 2.4 Gas
- U1281: Gauge Control Module Area Problem
2010-2016 Honda Cr V 2.4 Gas
- U129E: Keyless Access Control Unit F-CAN Communication Fault With PCM
2010-2016 Honda Cr V 2.4 Gas
- U0029: PF-CAN A Malfunction (PCM
2016-2024 Honda Civic 1.5TurboGas
- U0029: PF-CAN A Malfunction (BUS-OFF
2016-2024 Honda Civic 1.5TurboGas
- U0038: PCM PT-CAN C Bus-Off
2016-2024 Honda Civic 1.5TurboGas
- U0100: Body Control Module Lost Communication With PCM
2016-2024 Honda Civic 1.5TurboGas
- U0104: PCM Lost Communication With Multipurpose Camera Unit
2016-2024 Honda Civic 1.5TurboGas
- U0122: Body Control Module Lost Communication With VSA/ABS Control Unit
2016-2024 Honda Civic 1.5TurboGas
- U0131: PF-CAN Malfunction Between PCM and EPS Control Unit
2016-2024 Honda Civic 1.5TurboGas
- U0146: PF-CAN Malfunction (PCM-CAN Gateway
2016-2024 Honda Civic 1.5TurboGas
- U0151: Lost Communication With SRS Unit
2016-2024 Honda Civic 1.5TurboGas
- U1280: Automatic Lighting Control Unit B-CAN Bus-Off
2016-2024 Honda Civic 1.5TurboGas
- U1281: — Auto Light Control Unit Lost Communication with MICU
2016-2024 Honda Civic 1.5TurboGas
- U1288: Gauge Control Module Lost Communication With Parking and Backup Sensor Control Unit
2016-2024 Honda Civic 1.5TurboGas
- U128D: BSI Radar Unit Lost Communication With Gauge Control Module
2016-2024 Honda Civic 1.5TurboGas
- U128F: Right BSI Radar Unit Lost Communication With Left BSI Radar Unit
2016-2024 Honda Civic 1.5TurboGas
- U1297: Left BSI Radar Unit Lost Communication With Right BSI Radar Unit
2016-2024 Honda Civic 1.5TurboGas
- U0029: F-CAN Communication Line Error
2020-2025 Honda Cr V 2.0Hybrid
- U0029: Acoustic Vehicle Alerting Control Unit F-CAN Communication Line Error
2020-2025 Honda Cr V 2.0Hybrid
- U0038: Integrated Control Module DF-CAN B Communication Fault
2020-2025 Honda Cr V 2.0Hybrid
- U0047: Gauge Control Module M-CAN Communication Fault With Audio Unit
2020-2025 Honda Cr V 2.0Hybrid
- U0100: oustic Vehicle Alerting Control Unit Lost Communication With PCM
2020-2025 Honda Cr V 2.0Hybrid
- U0104: Gauge Control Module Lost Communication With Driving Support System Control Unit
2020-2025 Honda Cr V 2.0Hybrid
- U0122: Acoustic Vehicle Alerting Control Unit Lost Communication With VSA
2020-2025 Honda Cr V 2.0Hybrid
- U0129: Acoustic Vehicle Alerting Control Unit Lost Communication With Electric Servo Brake Control Unit
2020-2025 Honda Cr V 2.0Hybrid
- U0131: Gauge control module lost communication with EPS unit
2020-2025 Honda Cr V 2.0Hybrid
- U0146: PGM-FI System
2020-2025 Honda Cr V 2.0Hybrid
- U0151: Lost Communication With SRS Unit
2020-2025 Honda Cr V 2.0Hybrid
- U0199: Power Seat Control Unit Lost Communication With PW Master SW
2020-2025 Honda Cr V 2.0Hybrid
- U1281: Automatic Lighting Control Unit Sensor Lost Communication With MICU
2020-2025 Honda Cr V 2.0Hybrid
- U1288: Gauge Control Module Lost Communication With Parking and Backup Sensor Control Unit
2020-2025 Honda Cr V 2.0Hybrid
- U128D: BSI Radar Unit Lost Communication With Gauge Control Module
2020-2025 Honda Cr V 2.0Hybrid
- U128F: Right Side BSI Radar Unit Lost Communication With Left Side BSI Radar Unit
2020-2025 Honda Cr V 2.0Hybrid
- U1297: Left BSI Radar Unit Lost Communication With Right BSI Radar Unit
2020-2025 Honda Cr V 2.0Hybrid
- U129E: Integrated Control Module Lost Communication With Body Control Module
2020-2025 Honda Cr V 2.0Hybrid
- U0029: Acoustic Vehicle Alerting Control Unit F-CAN Communication Line Error
2018-2025 Honda Accord 2.0Hybrid
- U0029: F-CAN communication line error
2018-2025 Honda Accord 2.0Hybrid
- U0038: F-CAN Malfunction (BUS-OFF
2018-2025 Honda Accord 2.0Hybrid
- U0100: oustic vehicle alerting control unit lost communication with PCM
2018-2025 Honda Accord 2.0Hybrid
- U0104: Gauge Control Module Lost Communication With Driving Support System Control Unit - 2018-20...
2018-2025 Honda Accord 2.0Hybrid
- U0122: oustic vehicle alerting control unit lost communication with VSA modulator-control unit -...
2018-2025 Honda Accord 2.0Hybrid
- U0129: Acoustic Vehicle Alerting Control Unit Lost Communication With Electric Servo Brake Control Unit
2018-2025 Honda Accord 2.0Hybrid
- U0131: Gauge Control Module Lost Communication With EPS Unit
2018-2025 Honda Accord 2.0Hybrid
- U0146: Lost Communication With CAN Gateway
2018-2025 Honda Accord 2.0Hybrid
- U0151: PF-CAN M Malfunction (PCM-SRS Unit
2018-2025 Honda Accord 2.0Hybrid
- U0155: oustic Vehicle Alerting Control Unit Lost Communication with Gauge Control Module - 2018-2...
2018-2025 Honda Accord 2.0Hybrid
- U0199: Climate Control Unit Lost Communication with Power Window Master Switch
2018-2025 Honda Accord 2.0Hybrid
- U01B0: LIN communication error for the battery sensor
2018-2025 Honda Accord 2.0Hybrid
- U1281: Automatic Lighting Control Unit Lost Communication
2018-2025 Honda Accord 2.0Hybrid
- U1288: Gauge Control Module Lost Communication With Parking and Backup Sensor Control Unit
2018-2025 Honda Accord 2.0Hybrid
- U128D: BSI Radar Unit Lost Communication With Gauge Control Module
2018-2025 Honda Accord 2.0Hybrid
- U128F: Right BSI Radar Unit Lost Communication With Left BSI Radar Unit
2018-2025 Honda Accord 2.0Hybrid
- U1297: Left BSI Radar Unit Lost Communication With Right BSI Radar Unit
2018-2025 Honda Accord 2.0Hybrid
- U129E: Integrated Control Module Lost Communication With Body Control Module
2018-2025 Honda Accord 2.0Hybrid
- U0029: PCM PF-CAN A Communication Failure
2016-2024 Honda Civic 2.0 Gas
- U0029: PCM PF-CAN A Message Transmission Failure
2016-2024 Honda Civic 2.0 Gas
- U0038: PCM PT-CAN Communication Failure
2016-2024 Honda Civic 2.0 Gas
- U0100: Body Control Module Lost Communication With PCM
2016-2024 Honda Civic 2.0 Gas
- U0104: PCM Lost Communication With Multipurpose Camera Unit
2016-2024 Honda Civic 2.0 Gas
- U0122: M Lost Communication With VSA/ABS
2016-2024 Honda Civic 2.0 Gas
- U0131: Lost Communication With EPS Control Unit
2016-2024 Honda Civic 2.0 Gas
- U0146: Lost Communication With CAN Gateway
2016-2024 Honda Civic 2.0 Gas
- U0151: Lost Communication With SRS Unit
2016-2024 Honda Civic 2.0 Gas
- U0155: PF-CAN Malfunction
2016-2024 Honda Civic 2.0 Gas
- U1280: Automatic Lighting Control Unit B-CAN Bus-Off
2016-2024 Honda Civic 2.0 Gas
- U1281: Auto Light Control Unit lost communication with MICU
2016-2024 Honda Civic 2.0 Gas
- U1288: Gauge Control Module Lost Communication With Parking and Backup Sensor Control Unit
2016-2024 Honda Civic 2.0 Gas
- U128D: BSI Radar Unit Lost Communication With Gauge Control Module
2016-2024 Honda Civic 2.0 Gas
- U128F: BSI Radar Unit Lost Communication
2016-2024 Honda Civic 2.0 Gas
- U1297: BSI Radar Unit Lost Communication
2016-2024 Honda Civic 2.0 Gas