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This is a list of all the error codes that can be stored in the ECU and DPMS unit. Click on the description for more specific information on that code, troubleshooting/diagnosis, and possible solutions. =CEL Codes= {| border="1" cellspacing="1" cellpadding="3" !Code !Definition |- |0||[[G2:_FAQ:_Error_Codes:_CEL_0|Engine Control Module (ECM, ECU, PCM)]] |- |1||[[G2:_FAQ:_Error_Codes:_CEL_1,_CEL_2|Left Heated Oxygen Sensor (HO2S)]] |- |2||[[G2:_FAQ:_Error_Codes:_CEL_1,_CEL_2|Right Heated Oxygen Sensor (HO2S)]] |- |3||[[G2:_FAQ:_Error_Codes:_CEL_3,_CEL_5|Manifold Absolute Pressure (MAP Sensor)]] |- |4||[[G2:_FAQ:_Error_Codes:_CEL_4,_CEL_9,_CEL_54,_CEL_59|Crankshaft Position 1 (CKP Sensor)]] |- |5||[[G2:_FAQ:_Error_Codes:_CEL_3,_CEL_5|Manifold Absolute Pressure (MAP Sensor)]] |- |6||[[G2:_FAQ:_Error_Codes:_CEL_6|Engine Coolant Temperature (ECT Sensor)]] |- |7||[[G2:_FAQ:_Error_Codes:_CEL_7|Throttle Position (TP Sensor, TPS)]] |- |9||[[G2:_FAQ:_Error_Codes:_CEL_4,_CEL_9,_CEL_54,_CEL_59|No. 1 Cylinder Position (CYP Sensor)]] |- |10||[[G2:_FAQ:_Error_Codes:_CEL_10|Intake Air Temperature (IAT Sensor)]] |- |12||[[G2:_FAQ:_Error_Codes:_CEL_12|Exhaust Gas Recirculation (EGR Valve Life Sensor)]] |- |13||[[G2:_FAQ:_Error_Codes:_CEL_13|Barometric Pressure (Baro Sensor)]] |- |14||[[G2:_FAQ:_Error_Codes:_CEL_14|Idle Air Control (IAC Valve)]] |- |15||[[G2:_FAQ:_Error_Codes:_CEL_15|Ignition Output Signal]] |- |16||[[G2:_FAQ:_Error_Codes:_CEL_16|Fuel Injector]] |- |17||[[G2:_FAQ:_Error_Codes:_CEL_17|Vehicle Speed Sensor (VSS)]] |- |18||[[G2:_FAQ:_Error_Codes:_CEL_18|Ignition Timing Adjustment]] |- |23||[[G2:_FAQ:_Error_Codes:_CEL_23,_CEL_53|Left Knock Sensor]] |- |35||[[G2:_FAQ:_Error_Codes:_CEL_35,_CEL_36|TC STB Sensor]] |- |36||[[G2:_FAQ:_Error_Codes:_CEL_35,_CEL_36|TC FC Sensor]] |- |41||[[G2:_FAQ:_Error_Codes:_CEL_41,_CEL_42|Left Heated Oxygen Sensor Heater]] |- |42||[[G2:_FAQ:_Error_Codes:_CEL_41,_CEL_42|Right Heated Oxygen Sensor Heater]] |- |43||[[G2:_FAQ:_Error_Codes:_CEL_43,_CEL_44|Left Fuel Supply System]] |- |44||[[G2:_FAQ:_Error_Codes:_CEL_43,_CEL_44|Right Fuel Supply System]] |- |45||[[G2:_FAQ:_Error_Codes:_CEL_45,_CEL_46|Left Fuel Metering]] |- |46||[[G2:_FAQ:_Error_Codes:_CEL_45,_CEL_46|Right Fuel Metering]] |- |53||[[G2:_FAQ:_Error_Codes:_CEL_23,_CEL_53|Right Knock Sensor]] |- |54||[[G2:_FAQ:_Error_Codes:_CEL_4,_CEL_9,_CEL_54,_CEL_59|Crankshaft Position 2 (CKP Sensor)]] |- |59||[[G2:_FAQ:_Error_Codes:_CEL_4,_CEL_9,_CEL_54,_CEL_59|No. 1 Cylinder Position 2 (CYP Sensor)]] |} =ABS Codes= {| border="1" cellspacing="1" cellpadding="3" !Main Code !Sub Code !Definition |- |rowspan="5"|1||None||[[G2:_FAQ:_Error_Codes:_ABS_1|ABS Pump Motor Over-Run]] |- |2||[[G2:_FAQ:_Error_Codes:_ABS_1-2|ABS Pump Motor Circuit Problem]] |- |3||[[G2:_FAQ:_Error_Codes:_ABS_1-3|High Pressure Leakage]] |- |4||[[G2:_FAQ:_Error_Codes:_ABS_1-4|Pressure Switch]] |- |8||[[G2:_FAQ:_Error_Codes:_ABS_1-8|Accumulator Gas Leakage]] |- |2||1||[[G2:_FAQ:_Error_Codes:_ABS_2-1|Parking Brake Switch-Related Problem]] |- |rowspan="3"|3||1||[[G2:_FAQ:_Error_Codes:_ABS_3-1,_ABS_3-2,_ABS_3-4|Front Right Pulser]] |- |2||[[G2:_FAQ:_Error_Codes:_ABS_3-1,_ABS_3-2,_ABS_3-4|Front Left Pulser]] |- |4||[[G2:_FAQ:_Error_Codes:_ABS_3-1,_ABS_3-2,_ABS_3-4|Rear Right/Left Pulser]] |- |rowspan="4"|4||1||[[G2:_FAQ:_Error_Codes:_ABS_4-1,_ABS_4-2,_ABS_4-4,_ABS_4-8|Front Right Wheel Sensor]] |- |2||[[G2:_FAQ:_Error_Codes:_ABS_4-1,_ABS_4-2,_ABS_4-4,_ABS_4-8|Front Left Wheel Sensor]] |- |4||[[G2:_FAQ:_Error_Codes:_ABS_4-1,_ABS_4-2,_ABS_4-4,_ABS_4-8|Rear Right Wheel Sensor]] |- |8||[[G2:_FAQ:_Error_Codes:_ABS_4-1,_ABS_4-2,_ABS_4-4,_ABS_4-8|Rear Left Wheel Sensor]] |- |rowspan="3"|5||None||[[G2:_FAQ:_Error_Codes:_ABS_5,_ABS_5-4,_ABS_5-8|Rear Right/Left Wheel Sensors]] |- |4||[[G2:_FAQ:_Error_Codes:_ABS_5,_ABS_5-4,_ABS_5-8|Rear Right Wheel Sensor]] |- |8||[[G2:_FAQ:_Error_Codes:_ABS_5,_ABS_5-4,_ABS_5-8|Rear Left Wheel Sensor]] |- |rowspan="3"|6||None||[[G2:_FAQ:_Error_Codes:_ABS_6|Front/Rear Fail-Safe Relays]] |- |1||[[G2:_FAQ:_Error_Codes:_ABS_6-1|Front Fail-Safe Relay]] |- |4||[[G2:_FAQ:_Error_Codes:_ABS_6-4|Rear Fail-Safe Relay]] |- |rowspan="3"|7||1||[[G2:_FAQ:_Error_Codes:_ABS_7-1,_ABS_7-2|Front Right Solenoid Related Problem]] |- |2||[[G2:_FAQ:_Error_Codes:_ABS_7-1,_ABS_7-2|Front Left Solenoid Related Problem]] |- |4||[[G2:_FAQ:_Error_Codes:_ABS_7-4|Rear Right/Left Solenoid Related Problem]] |} =TCS Codes= {| border="1" cellspacing="1" cellpadding="3" !Main Code !Sub Code !Definition |- |1||2||[[G2:_FAQ:_Error_Codes:_TCS_1-2|TCS Control Unit]] |- |rowspan="3"|2||None||[[G2:_FAQ:_Error_Codes:_TCS_2|Parking Brake]] |- |1||[[G2:_FAQ:_Error_Codes:_TCS_2-1|Steering Angle Sensor]] |- |3||[[G2:_FAQ:_Error_Codes:_TCS_2-3|Lg Sensor]] |- |rowspan="6"|3||1||[[G2:_FAQ:_Error_Codes:_TCS_3-1|PGM-FI System]] |- |2||[[G2:_FAQ:_Error_Codes:_TCS_3-2|Engine Speed (NEP) Signal]] |- |4||[[G2:_FAQ:_Error_Codes:_TCS_3-4|Abnormal Reference Voltage (VREF) Signal]] |- |5||[[G2:_FAQ:_Error_Codes:_TCS_3-5|Abnormal Barometric Pressure (BARO) Sensor Signal]] |- |6||[[G2:_FAQ:_Error_Codes:_TCS_3-6|Abnormal Throttle Position Sensor (TPS) Signal]] |- |7||[[G2:_FAQ:_Error_Codes:_TCS_3-7|Abnormal TCS Control Valve Angle Sensor Signal]] |- |rowspan="5"|4||1||[[G2:_FAQ:_Error_Codes:_TCS_4-1,_TCS_4-2,_TCS_4-4,_TCS_4-8|Right Front Wheel Sensor]] |- |2||[[G2:_FAQ:_Error_Codes:_TCS_4-1,_TCS_4-2,_TCS_4-4,_TCS_4-8|Left Front Wheel Sensor]] |- |4||[[G2:_FAQ:_Error_Codes:_TCS_4-1,_TCS_4-2,_TCS_4-4,_TCS_4-8|Right Rear Wheel Sensor]] |- |8||[[G2:_FAQ:_Error_Codes:_TCS_4-1,_TCS_4-2,_TCS_4-4,_TCS_4-8|Left Rear Wheel Sensor]] |- |9||[[G2:_FAQ:_Error_Codes:_TCS_4-9|All Wheel Sensors]] |- |rowspan="3"|5||1||[[G2:_FAQ:_Error_Codes:_TCS_5-1|Abnormal Fail-Safe Relay, TCS Control Valve Actuator, Or TCS Control Valve Assembly]] |- |2||[[G2:_FAQ:_Error_Codes:_TCS_5-2|TCS Control Valve Actuator Voltage Low]] |- |3||[[G2:_FAQ:_Error_Codes:_TCS_5-3|Abnormal Back-Up Voltage]] |- |6||1||[[G2:_FAQ:_Error_Codes:_TCS_6-1|Powertrain Control Module]] |} =D4 Codes= {| border="1" cellspacing="1" cellpadding="3" !Code !Definition |- |1||[[G2:_FAQ:_Error_Codes:_D4_1|Lock-Up Control Solenoid Valve A]] |- |2||[[G2:_FAQ:_Error_Codes:_D4_2|Lock-Up Control Solenoid Valve B]] |- |3||[[G2:_FAQ:_Error_Codes:_D4_3|Throttle Position Sensor (TPS)]] |- |4||[[G2:_FAQ:_Error_Codes:_D4_4|Vehicle Speed Sensor (VSS)]] |- |5||[[G2:_FAQ:_Error_Codes:_D4_5|AT Gear Position Switch]] |- |6||[[G2:_FAQ:_Error_Codes:_D4_6|AT Gear Position Switch]] |- |7||[[G2:_FAQ:_Error_Codes:_D4_7|Shift Control Solenoid Valve A]] |- |8||[[G2:_FAQ:_Error_Codes:_D4_8|Shift Control Solenoid Valve B]] |- |9||[[G2:_FAQ:_Error_Codes:_D4_9|Countershaft Speed Sensor]] |- |10||[[G2:_FAQ:_Error_Codes:_D4_10|Engine Coolant Temperature Sensor (ECT)]] |- |11||[[G2:_FAQ:_Error_Codes:_D4_11|ECM]] |- |14||[[G2:_FAQ:_Error_Codes:_D4_14|ECM]] |- |15||[[G2:_FAQ:_Error_Codes:_D4_15|Mainshaft Speed Sensor]] |- |16||[[G2:_FAQ:_Error_Codes:_D4_16|Linear Solenoid]] |- |17||[[G2:_FAQ:_Error_Codes:_D4_17|Kick-Down Switch]] |} =DPMS Codes= {| border="1" cellspacing="1" cellpadding="3" !Code !Definition |- |1||[[G2:_FAQ:_Error_Codes:_DPMS_1|Slide Switch]] |- |2||[[G2:_FAQ:_Error_Codes:_DPMS_2|Recline Switch]] |- |3||[[G2:_FAQ:_Error_Codes:_DPMS_3|Front Up-Down Switch]] |- |4||[[G2:_FAQ:_Error_Codes:_DPMS_4|Rear Up-Down Switch]] |- |5||[[G2:_FAQ:_Error_Codes:_DPMS_5|Tilt Switch]] |- |6||[[G2:_FAQ:_Error_Codes:_DPMS_6|Extend-Retract Switch]] |- |11||[[G2:_FAQ:_Error_Codes:_DPMS_11|Slide Switch or Relay]] |- |12||[[G2:_FAQ:_Error_Codes:_DPMS_12|Recline Switch or Relay]] |- |13||[[G2:_FAQ:_Error_Codes:_DPMS_13|Front Up-Down Switch or Relay]] |- |14||[[G2:_FAQ:_Error_Codes:_DPMS_14|Rear Up-Down Switch or Relay]] |- |15||[[G2:_FAQ:_Error_Codes:_DPMS_15|Tilt Switch or Relay]] |- |16||[[G2:_FAQ:_Error_Codes:_DPMS_16|Extend-Retract Switch or Relay]] |- |21||[[G2:_FAQ:_Error_Codes:_DPMS_21|MEMO Button]] |- |22||[[G2:_FAQ:_Error_Codes:_DPMS_22|Position Button 1]] |- |23||[[G2:_FAQ:_Error_Codes:_DPMS_23|Position Button 2]] |- |24||[[G2:_FAQ:_Error_Codes:_DPMS_24|Forward Slide Switch]] |- |25||[[G2:_FAQ:_Error_Codes:_DPMS_25|Backward Slide Switch]] |- |26||[[G2:_FAQ:_Error_Codes:_DPMS_26|Forward Recline Switch]] |- |27||[[G2:_FAQ:_Error_Codes:_DPMS_27|Backward Recline Switch]] |- |28||[[G2:_FAQ:_Error_Codes:_DPMS_28|Front Up Switch]] |- |29||[[G2:_FAQ:_Error_Codes:_DPMS_29|Front Down Switch]] |- |30||[[G2:_FAQ:_Error_Codes:_DPMS_30|Rear Up Switch]] |- |31||[[G2:_FAQ:_Error_Codes:_DPMS_31|Rear Down Switch]] |- |32||[[G2:_FAQ:_Error_Codes:_DPMS_32|Tilt Up Switch]] |- |33||[[G2:_FAQ:_Error_Codes:_DPMS_33|Tilt Down Switch]] |- |34||[[G2:_FAQ:_Error_Codes:_DPMS_34|Extend Switch]] |- |35||[[G2:_FAQ:_Error_Codes:_DPMS_35|Retract Switch]] |- |36||[[G2:_FAQ:_Error_Codes:_DPMS_36|Ignition Switch]] |} {{Template:ForumLink}} =Links= [[G2:_DIY:_Diagnosis:_Pulling_Codes|G2: DIY: Diagnosis: Pulling Codes]]<br> [[Acura_Legend_Wiki|Back To Main Page]]

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