B0001 Diagnostic Guide
B0001 may point to a fault in the driver's airbag first inflator circuit monitored by the SRS unit.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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2010-2017 Honda Accord 2.4 Gas
Published DTC guides for this vehicle family, grouped by diagnostic system and code.
60 ready guides
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B0002 Diagnostic Guide
B0002 may indicate a fault in the SRS driver airbag second inflator circuit.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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B0010 Diagnostic Guide
B0010 may indicate an open circuit or increased resistance condition in the front passenger airbag inflator circuit.
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B0011 Diagnostic Guide
B0011 may indicate a fault in the front passenger airbag inflator circuit on this SRS system.
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B0020 Diagnostic Guide
B0020 may indicate an SRS concern involving the driver’s side airbag inflator circuit.
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B0021 Diagnostic Guide
B0021 may indicate an open circuit or increased resistance in the left side curtain airbag first inflator circuit.
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B0028 Diagnostic Guide
B0028 may indicate an SRS concern in the front passenger’s side airbag inflator circuit, often involving an open circuit or increased resistance condition.
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B0029 Diagnostic Guide
B0029 may indicate a fault in the right side curtain airbag inflator circuit on this vehicle.
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B0090 Diagnostic Guide
B0090 may indicate a no-signal condition from the left front impact sensor circuit.
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B0091 Diagnostic Guide
B0091 may indicate the SRS unit is not receiving the expected signal from the left side impact sensor circuit.
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B1036 Diagnostic Guide
B1036 may indicate a MICU-related body electrical circuit issue involving the path between the under-dash fuse and relay box and the gauge control module.
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B1077 Diagnostic Guide
B1077 may indicate that the MICU is not seeing the windshield wiper motor park signal as expected.
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B1129 Diagnostic Guide
B1129 may indicate that the MICU is seeing a driver's door lock knob switch input problem where lock and unlock signals can appear active together.
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Driver's Power Window Position Detect Circuit Malfunction
B1140 may mean the door control system is not seeing the driver's power window position detection signal as expected.
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B1145 Diagnostic Guide
B1145 may indicate that the front passenger window position detect circuit is not reporting window position as expected.
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B1175 Diagnostic Guide
B1175 may indicate that the gauge control module is seeing a possible malfunction in the fuel level sensor circuit.
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B1192 Diagnostic Guide
B1192 may mean the gauge control module is not communicating with the battery sensor ECU over the LIN communication line.
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B121A Diagnostic Guide
B121A may indicate that the climate control unit is seeing an open-type problem in the mode control motor circuit.
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B121B Diagnostic Guide
B121B may indicate a problem in the climate control mode control motor circuit, often involving the motor feedback or control path used to position the air outlet doors.
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B1225 Diagnostic Guide
This code may indicate an open or signal problem in the in-car temperature sensor circuit used by the climate control system.
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B1228 Diagnostic Guide
B1228 may indicate a short in the outside air temperature sensor circuit used by the climate control unit.
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B1229 Diagnostic Guide
B1229 may mean the climate control unit is seeing an open in the sunlight sensor circuit.
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B1231 Diagnostic Guide
This climate control code means the control unit may be seeing an open in the evaporator temperature sensor circuit.
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B1232 Diagnostic Guide
B1232 may indicate that the climate control unit is seeing an evaporator temperature sensor circuit short condition.
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Driver's Air Mix Control Motor Circuit Open
B1233 may mean the climate control unit is not seeing the driver's air mix control motor position circuit correctly.
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B1234 Diagnostic Guide
This code may indicate a short concern in the driver's air mix control motor circuit, where the climate control unit monitors driver's-side blend-door position feedback.
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Driver’S Air Mix Control Function Issue
B1235 may indicate that the climate control system is seeing a possible issue with the driver’s air mix control function, which is used to manage driver-side temperature blending.
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Passenger-Side Air Mix Control Motor Feedback Problem
B1236 may indicate that the climate control unit is seeing a possible problem with passenger-side air mix control motor feedback.
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— Passenger's Air Mix Control Motor Circuit Short
B1237 may indicate a passenger-side air mix control motor circuit short, where the climate control unit may not be receiving a believable position signal from that circuit.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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Passenger's Air Mix Control Motor Circuit, Linkage, Door, or Motor
B1238 may mean the climate control system is seeing a possible problem with the passenger side air mix control area, where door movement and commanded temperature response can be/c
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A Problem in the Mode Control Motor Circuit, Linkage, Door, or Motor
B1240 may indicate a problem in the climate control mode control motor circuit, linkage, door, or motor.
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A Problem in the Blower Motor Circuit
B1241 may indicate a problem in the blower motor circuit controlled by the climate control unit.
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Headlight Switch Position Circuit Malfunctions
B1275 may indicate a headlight switch position circuit malfunction where the MICU may not be seeing the expected combination light switch input.
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Headlight Switch Position Circuit
B1276 may indicate that the MICU is seeing an unexpected headlight switch position signal from the combination light switch circuit.
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MICU headlight switch position circuit malfunction
B1278 may mean the MICU is seeing a headlight switch position input that does not match the expected switch state.
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System Fault Diagnosis
B12D1 may indicate that the keyless access power control unit is seeing an ignition relay circuit state that does not match what it expects.
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Keyless Access Power Control Unit
B12D2 may indicate that the keyless access power control unit is seeing an unexpected IG2 relay circuit state during power-mode operation.
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Driver Door LF Antenna Circuit Open
B1646 may mean the keyless access control unit is seeing the driver door low frequency antenna circuit as open.
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Passenger Door LF Antenna Circuit Open
B1648 may indicate a possible open in the passenger door low-frequency antenna circuit for the keyless access system.
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System Fault Diagnosis
B1658 may indicate a keyless access control unit concern related to the rear exterior antenna circuit.
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Front Interior LF Antenna Circuit Open
B1660 may mean the keyless access control unit is detecting an open condition in the front interior low-frequency antenna circuit.
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Rear Interior LF Antenna Circuit Problem
B1664 may indicate a problem in the rear interior LF antenna circuit used by the keyless access control system.
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Rear Shelf LF Antenna Circuit Open
B1668 may indicate an open circuit concern in the rear shelf LF antenna circuit for the keyless access system.
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SRS unit connector A not properly installed
This code may mean the SRS control unit is not seeing connector A as properly installed or connected.
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A Problem in the Recirculation Control Motor Circuit, Linkage, Door, or Motor - 2010-2017...
B2983 may indicate a problem with the HVAC recirculation control motor circuit, the recirculation motor, or the related air door and linkage.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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Recirculation Control Motor Position Or Feedback Circuit Issue
B2986 may indicate that the climate control unit is seeing an issue with the recirculation control motor position or feedback circuit.
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N communication failure, bus off
U0029 may mean the VSA control unit is seeing a CAN network communication problem where messages can become unreliable or stop being accepted normally.
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N Communication Failure, Bus OFF
U0029 may mean the VSA control side is seeing a CAN network communication problem where the network communication has dropped out or been shut down by a fault condition.
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Lost Communication With The PCM (PGM-FI System
U0100 means a control module may have lost communication with the PCM over the vehicle communication network.
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N Communication Failure - VSA Control Unit
U0104 can indicate a possible communication problem where the VSA control unit may not be receiving expected F-CAN communication from the module associated with this code.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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F-CAN Malfunction (PCM-VSA Modulator-Control Unit
U0122 often means the PCM may have a communication problem with the VSA modulator-control unit on the vehicle network.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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Gauge Control Module Lost Communication With EPS Unit
U0131 means the gauge control module may have lost communication with the EPS unit.
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Gauge Control Module Lost Communication With SRS Unit
U0151 means the gauge control module may have lost communication with the SRS unit on the vehicle network.
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F-CAN Malfunction (PCM-Gauge Control Module
U0155 may indicate a communication problem between the PCM and the gauge control module on the F-CAN network.
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System Fault Diagnosis
U0199 may indicate a communication problem involving the keyless access control unit and the body network connection to the power window unit.
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System Fault Diagnosis
U1280 may indicate a fault recognized by the auto high beam, or high-beam support, control system.
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System Fault Diagnosis
U1281 may indicate a communication-related concern involving the auto high beam support system control.
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System Fault Diagnosis
U1288 may indicate a body-network communication problem involving the gauge control module and the parking and back-up sensor control unit on the B-CAN network.
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Auto High-Beam Control Unit Lost Communication With Gauge Control Module
U128D means the auto high-beam control unit may have lost communication with the gauge control module on the body communication network.
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F-CAN Malfunction
U129E is an F-CAN malfunction. It may mean the PCM is seeing a communication problem on the network path involving the keyless access control unit.
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