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DTC Troubleshooting Index

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
DTC(1) SH-AWD Indicator Light Detection Item Refer
12-1 ON Lateral Acceleration Sensor Malfunction (see DTC TROUBLESHOOTING )
12-2 ON Lateral Acceleration Sensor Malfunction (see DTC TROUBLESHOOTING )
12-3 ON Lateral Acceleration Sensor Malfunction (see DTC TROUBLESHOOTING )
15-1 ON Longitudinal Acceleration Sensor Malfunction (see DTC 15-1: LONGITUDINAL ACCELERATION SENSOR MALFUNCTION )
16-3 ON Steering Angle Sensor Neutral Position Incorrect (see DTC 16-3: STEERING ANGLE SENSOR NEUTRAL POSITION INCORRECT )
33-2 ON Yaw Rate Sensor Malfunction (see DTC 33-2, 33-3: YAW RATE SENSOR MALFUNCTION )
33-3 ON Yaw Rate Sensor Malfunction (see DTC 33-2, 33-3: YAW RATE SENSOR MALFUNCTION )
41-1 ON F-CAN Malfunction (Lost of Communication with Powertrain Control Module (PCM)) (see DTC 41-1: F-CAN MALFUNCTION (LOST COMMUNICATION WITH POWERTRAIN CONTROL MODULE (PCM)) )
41-2 ON F-CAN Malfunction (Lost of Communication with VSA Modulator-Control Unit) (see DTC 41-2: F-CAN MALFUNCTION (LOST COMMUNICATION WITH VSA MODULATOR-CONTROL UNIT) )
41-4(2) ON F-CAN Malfunction (Lost of Communication with A/T Control System) (see DTC 41-4: F-CAN MALFUNCTION (LOST COMMUNICATION WITH A/T CONTROL SYSTEM) )
41-5 ON F-CAN Malfunction (Lost of Communication with Yaw Rate-Lateral/Longitudinal Acceleration Sensor) (see DTC 41-5: F-CAN MALFUNCTION (LOST COMMUNICATION WITH YAW RATE-LATERAL/LONGITUDINAL ACCELERATION SENSOR) )
41-6 ON F-CAN Malfunction (Lost of Communication with Steering Angle Sensor) (see DTC 41-6: F-CAN MALFUNCTION (LOST COMMUNICATION WITH STEERING ANGLE SENSOR) )
42-1 ON Differential Fluid Temperature Sensor (Short to power) (see DTC 42-1: DIFFERENTIAL FLUID TEMPERATURE SENSOR (SHORT TO POWER) )
42-2 ON Differential Fluid Temperature Sensor (Open/GND Short) (see DTC 42-2: DIFFERENTIAL FLUID TEMPERATURE SENSOR (OPEN/GND SHORT) )
43-1 ON Differential Fluid Temperature Sensor Malfunction (see DTC 43-1: DIFFERENTIAL FLUID TEMPERATURE SENSOR MALFUNCTION )
44-11 ON SH-AWD Control Unit (see DTC 44-11: SH-AWD CONTROL UNIT )
44-12 ON SH-AWD Relay Stuck ON (see DTC 44-12: SH-AWD RELAY STUCK ON )
44-32 ON SH-AWD Control Unit Power Supply Stuck ON (see DTC 44-32: SH-AWD CONTROL UNIT POWER SUPPLY STUCK ON; DTC 44-41: SH-AWD CONTROL UNIT POWER SUPPLY STUCK OFF )
44-41 ON SH-AWD Control Unit Power Supply Stuck OFF (see DTC 44-32: SH-AWD CONTROL UNIT POWER SUPPLY STUCK ON; DTC 44-41: SH-AWD CONTROL UNIT POWER SUPPLY STUCK OFF )
44-50 ON SH-AWD Control Unit Power Supply Voltage Low (see DTC 44-50: SH-AWD CONTROL UNIT POWER SUPPLY VOLTAGE LOW )
49-1 ON SH-AWD Control Unit (PG Line Open) (see DTC 49-1: SH-AWD CONTROL UNIT (PG LINE OPEN) )
52-3 ON Left Clutch Electromagnetic Coil Current Malfunction (see DTC 52-3: LEFT CLUTCH ELECTROMAGNETIC COIL CURRENT MALFUNCTION )
53-1 ON Left Clutch Electromagnetic Coil (Open) (see DTC 53-1, 53-3: LEFT CLUTCH ELECTROMAGNETIC COIL (OPEN) )
53-2 ON Left Clutch Electromagnetic Coil (Short) (see DTC 53-2: LEFT CLUTCH ELECTROMAGNETIC COIL (SHORT) )
53-3 ON Left Clutch Electromagnetic Coil (Open) (see DTC 53-1, 53-3: LEFT CLUTCH ELECTROMAGNETIC COIL (OPEN) )
56-3 ON Right Clutch Electromagnetic Coil Current Malfunction (see DTC 56-3: RIGHT CLUTCH ELECTROMAGNETIC COIL CURRENT MALFUNCTION )
57-1 ON Right Clutch Electromagnetic Coil (Open) (see DTC 57-1, 57-3: RIGHT CLUTCH ELECTROMAGNETIC COIL (OPEN) )
57-2 ON Right Clutch Electromagnetic Coil (Short) (see DTC 57-2: RIGHT CLUTCH ELECTROMAGNETIC COIL (SHORT) )
57-3 ON Right Clutch Electromagnetic Coil (Open) (see DTC 57-1, 57-3: RIGHT CLUTCH ELECTROMAGNETIC COIL (OPEN) )
76-1 ON Rear Differential Fluid Overheats (see DTC 76-1: Rear Differential Fluid Overheats )
77-1 ON The Functional Abnormalities of Fuel and Emissions (see DTC 77-1: THE FUNCTIONAL ABNORMALITIES OF FUEL AND EMISSIONS )
77-2 ON The Functional Abnormalities of VSA Modulator-Control Unit (see DTC 77-1: THE FUNCTIONAL ABNORMALITIES OF FUEL AND EMISSIONS )
77-4(2) ON The Functional Abnormalities of Automatic Transmission (see DTC 77-4: THE FUNCTIONAL ABNORMALITIES OF AUTOMATIC TRANSMISSION )
77-5 ON Yaw Rate-Lateral/Longitudinal Acceleration Sensor Malfunction (see DTC 77-1: THE FUNCTIONAL ABNORMALITIES OF FUEL AND EMISSIONS )
77-6 ON Steering Angle Sensor Malfunction (see DTC 77-1: THE FUNCTIONAL ABNORMALITIES OF FUEL AND EMISSIONS )
78-xx ON SH-AWD Control Unit Self-Diagnostic Malfunction (see DTC 77-4: THE FUNCTIONAL ABNORMALITIES OF AUTOMATIC TRANSMISSION )
81-1 ON Left Search Coil Sensor Malfunction (see DTC 81-1: LEFT SEARCH COIL SENSOR MALFUNCTION )
82-1 ON Right Search Coil Sensor Malfunction (see DTC 82-1: RIGHT SEARCH COIL SENSOR MALFUNCTION )
91-1 ON SH-AWD Control Unit Programming Error (see DTC 91-1: SH-AWD CONTROL UNIT PROGRAMMING ERROR )
NOTE: The "x" at the end of each DTC denotes a numeric character (0 thru 9) or an alpha character (A thru F) that you will see on the HDS display The character is unrelated to your troubleshooting, it designates the SH-AWD control unit manufacturer and other details used for product analysis
(1) DTCs are indicated by the SH-AWD indicator when the data link connector (DLC) is connected to the HDS
(2) A/T model
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