C1850

Factory Manual References

Factory service manual diagnostic procedure for 2013 acura rdx

AWD System DTCS

AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION

DTC Description
C1840-12 Differential Fluid Pressure Sensor Circuit High Voltage (2013-18)
C1840-14 Differential Fluid Pressure Sensor Circuit Low Voltage (2013-18)
C1841-11 Differential Fluid Temperature Sensor Circuit Low Voltage (2013-18)
C1841-13 Differential Fluid Temperature Sensor Circuit High Voltage (2013-18)
C1841-27 Differential Fluid Temperature Sensor Circuit Range/Performance Problem (2013-18)
C1850-12 Fail Safe Relay Stuck ON (2013-15)
C1850-12 Fail Safe Relay Stuck ON (2016-18)
C1850-14 Fail Safe Relay Stuck OFF (2013-15)
C1850-14 Fail Safe Relay Stuck OFF (2016-18)
C1851-18 Motor Circuit Low Current (2013-18)
C1851-19 Control Module Internal Control Module Malfunction (2013-18)
C1851-1E Motor Circuit High Current (2013-18)
C1852-18 Solenoid Valve Circuit Low Current (2013-18)
C1852-19 Solenoid Valve Circuit High Current (2013-18)
C1858-72 Differential Fluid Pressure Deviation Low (2013-18)
C1858-73 Differential Fluid Pressure Deviation High (2013-18)
C1860-98 Differential Fluid Overheated (2013-18)
C1861-9A Vehicle Spin Detected (2013-18)
C1870-00 Related Malfunctions (2013-18)
C1873-00 Steering Angle Sensor Malfunction (2013-18)
U0100-00 F-CAN Malfunction (2013-15)
U0100-00 F-CAN Malfunction (2016-18)
U3000-49 Control Module Internal Control Module Malfunction (2013-18)
U3000-51 Control Module Programming Error (2013-18)

AWD System DTCS

AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION

DTC Description
C1840-12 Differential Fluid Pressure Sensor Circuit High Voltage (2013-18)
C1840-14 Differential Fluid Pressure Sensor Circuit Low Voltage (2013-18)
C1841-11 Differential Fluid Temperature Sensor Circuit Low Voltage (2013-18)
C1841-13 Differential Fluid Temperature Sensor Circuit High Voltage (2013-18)
C1841-27 Differential Fluid Temperature Sensor Circuit Range/Performance Problem (2013-18)
C1850-12 Fail Safe Relay Stuck ON (2013-15)
C1850-12 Fail Safe Relay Stuck ON (2016-18)
C1850-14 Fail Safe Relay Stuck OFF (2013-15)
C1850-14 Fail Safe Relay Stuck OFF (2016-18)
C1851-18 Motor Circuit Low Current (2013-18)
C1851-19 Control Module Internal Control Module Malfunction (2013-18)
C1851-1E Motor Circuit High Current (2013-18)
C1852-18 Solenoid Valve Circuit Low Current (2013-18)
C1852-19 Solenoid Valve Circuit High Current (2013-18)
C1858-72 Differential Fluid Pressure Deviation Low (2013-18)
C1858-73 Differential Fluid Pressure Deviation High (2013-18)
C1860-98 Differential Fluid Overheated (2013-18)
C1861-9A Vehicle Spin Detected (2013-18)
C1870-00 Related Malfunctions (2013-18)
C1873-00 Steering Angle Sensor Malfunction (2013-18)
U0100-00 F-CAN Malfunction (2013-15)
U0100-00 F-CAN Malfunction (2016-18)
U3000-49 Control Module Internal Control Module Malfunction (2013-18)
U3000-51 Control Module Programming Error (2013-18)

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

A/C Leak Detection (B07-025)

Diagram

Air Conditioning

Diagram

Anti-Lock Brakes

Diagram

Anti-Theft

Diagram

Body Control Modules

Diagram

3.5L

Location

Audio Visual Systems

Location

Automatic Transaxle

Location

Battery Management System

Location

Brake System

Fuse/Relay

AWD System DTCS

Fuse/Relay

B18-020: Warranty Extension: Customer Support Program For Driver's Airbag Inflator For 2013-14 ILX Hybrid And Other Listed Years And Models (Expires February 28, 2026) (B18-020)

Fuse/Relay

2013 RDX: TQI And New Model Service Information (12-009)

Fuse/Relay

2013 RDX: TQI Of The Navigation System (12-010)

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A/C Refrigerant Type Guide (BJA11220)

Procedure

A/C Refrigerant Types Guide (BJA09917 VERSION 2)

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Always Enter Campaign Number On Proof Of Correction Certificate (B13010B)

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Accessory Remote Engine Starters Aren't The Same! (B16080B)