(Active Cruise Control Module (Acc) - Electrical Diagnostics)

• Diagnostic Code Index
• DTC Troubleshooting
  • C1200-16-Battery Voltage - Circuit Voltage Below Threshold
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1200-17-Battery Voltage - Circuit Voltage Above Threshold
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1400-86-Master Cylinder Pressure Fault - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1401-86-Wheel Speed Plausibility Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1402-86-Multi Axis Acceleration Sensors From Brake System Module (BSM) Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1403-86-Electrical Power Steering Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1404-86-Engine Signal Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1405-86-Trailer Tow Module Fail - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1406-86-Brake Switch Plausibility - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1407-86-Acknowledge Signal Fail From Brake System Module - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1408-86-Electronic Stability Control (ESC) Fail Status Present - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1409-97-Radar Sensor Blind - Component Or System Operation Obstructed Or Blocked
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C140A-55-Vehicle EOL Configuration - Not Configured
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C140B-05-Vehicle EOL Configuration Fault - System Programming Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C140C-86-Driver Assistant System Module (DASM) Intervention Request Time Out Of Range - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C140D-86-Seat Belt Information Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1410-87-C2_IGW1 Message From Body Computer Missing - Missing Message
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1411-49-Control Unit - Internal Electronic Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1412-54-Calibration Procedure - Missing Calibration
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1413-86-External Light Message - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1413-87-External Light Message - Missing Message
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1414-87-Cluster 2 Message Absent From Instrument Panel Cluster (IPC) - Missing Message
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1415-53-Manufacturing Mode - Deactivated
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1417-78-Horizontal Misalignment Sensor - Alignment Or Adjustment Incorrect
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1418-78-Vertical Misalignment Sensor - Alignment Or Adjustment Incorrect
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1419-64-Internal Wheel Speed Plausibility Failure - Signal PLAUSIBILTY Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C141A-64-Internal Steering Wheel Angle Plausibility Failure - Signal PLAUSIBILTY Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C141B-97-Video Camera Blind - Component Or System Operation Obstructed Or Blocked
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C141C-86-Video Camera Private Can Communication Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C141D-47-Micro-Controller Failure - Watchdog Safety Micro-Controller Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C141E-49-Component Internal Communication Failure - Internal Electronic Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C141F-96-Hardware Reset Failure - Component Internal Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1420-25-Radar Signal Failure - Signal Shape Waveform Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1420-66-Radar Signal Failure - Signal Has Too Many Transitions Events
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1421-64-Internal Multi Axis Acceleration Plausibility Failure - Signal PLAUSIBILTY Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1422-49-Internal HW Plausibility Check - Internal Electronic Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1422-66-Internal HW Plausibility Check - Signal Has Too Many Transitions Events
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1423-4B-Sensor Internal Temperature - Over Temperature
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1424-4B-Component Internal Temperature - Over Temperature
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1425-45-Flashed SW In Ecu Not Compatible - Program Memory Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1426-49-Control Unit Permanent Failure - Internal Electronic Failure
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1428-68-Radar Unavailability Situation - Event Information
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1429-66-Radar HW OVERTEMPERATURE - Signal Has Too Many Transitions Events
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1429-68-Radar HW OVERTEMPERATURE - Event Information
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1430-86-VIN Plausibility Check Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1431-86-Yaw Rate Acceleration Sensor From Brake System Module (BSM) Failure - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1432-86-Turn Indicator Signal Failure From Body Control Module (BCM) - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1433-86-External Brake Signal Failure From Brake System Module (BSM) - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1434-86-Brake Jerk Request Not Plausible - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1435-87-Status EPB Message From Brake System Module (BSM) Absent - Missing Message
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1436-86-Electric Parking Brake System Fail - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1438-86-Gas Pedal Position Signals From Engine Control Module (ECM) - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1439-86-Engine Torque Signals From Engine Control Module (ECM) - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1445-87-SCCM CRS CTRL Message From Steering Column Control Module For Adaptive Cruise Control Function - Missing Message
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1446-86-Cruise Control Information Fail - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C144A-86-Vehicle Speed - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C144B-24-Adaptive Cruise Control (Acc) Function Button Stuck - Signal Stuck High
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C144D-86-Engine Torque Request Not Plausible - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1450-86-Engine Speed Signal Fail From Engine Control Module (ECM) - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1451-86-Adaptive Cruise Control (Acc) Safe - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1452-86-Engine Torque Drive Assistance System Module (DASM) - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1453-86-Acc Intervention Signals Not Plausible - Signal Invalid
    • Wiring Diagram
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0001-88-C1 Can Bus-Bus Off
  • U1700-87-Body Control Module (BCM) - Missing Message
  • U1701-86-Engine Controller (ECM) - Signal Invalid
  • U1702-87-Electrical Power Steering (EPS) - Missing Message
  • U1703-87-Instrument Panel Cluster (IPC) - Missing Message
  • U1706-86-Brake System Module (BSM) - Signal Invalid
  • U1726-87-Airbag System (Orc) - Missing Message
  • U1930-86-Internal Ignition Working Condition Signal - Signal Invalid
  • U1932-86-Ignition Working Condition From Body Computer Module Not Valid - Signal Invalid
  • U1933-87-BCM Command Message From BCM (Body Computer Module) Absent - Missing Message
  • U1950-83-Message Counter/CRC Fault In BCM Command (From Body Control Module) Message - Value Of Signal Protection Calculation Incorrect
  • U1952-83-Message Counter/CRC Fault In Brake 1 (From Brake System Module) Message - Value Of Signal Protection Calculation Incorrect
  • U1958-83-IMPLAUSIBILE Data Received From Brake System Module (Can Message BSM_Yrs_Data Integrity Error) - Value Of Signal Protection Calculation Incorrect
  • U1960-83-Message Counter/CRC Fault In Engine1 (From Engine Control Module) - Value Of Signal Protection Calculation Incorrect
  • U1962-83-Message Counter/CRC Fault In Engine3 - From Engine Control Module - Value Of Signal Protection Calculation Incorrect
  • U1964-83-Message Counter/CRC Fault In Engine4 - From Engine Control Module - Value Of Signal Protection Calculation Incorrect
  • U1966-83-Message Counter/CRC Fault In GE Message - From Body Computer Module - Value Of Signal Protection Calculation Incorrect
  • U196E-83-Message Counter/CRC Fault In Mot TRANSM2 - From Engine Control Module - Value Of Signal Protection Calculation Incorrect
  • U1970-83-Message Counter/CRC Fault In Mot TRANSM3 (From Engine Control Module) - Value Of Signal Protection Calculation Incorrect
  • U1978-83-Message Counter/CRC Fault In Status EPB - From Brake System Module - Value Of Signal Protection Calculation Incorrect
  • U1982-83-Message Counter/CRC Fault In Wheel Info (From Brake System Module) Message - Value Of Signal Protection Calculation Incorrect
  • U1984-83-Message Counter/CRC Fault In Wheel Speed (From Brake System Module) Message - Value Of Signal Protection Calculation Incorrect
  • U1986-83-Message Counter/CRC Fault In SCCM CRS CTRL - From Steering Column Control Module - Value Of Signal Protection Calculation Incorrect
  • U198A-83-Message Counter/CRC Fault In Brake 7 (From Brake System Module) - Value Of Signal Protection Calculation Incorrect
  • U19B0-83-Message Counter/CRC Fault In Brake11 - From Brake System Module - Message - Value Of Signal Protection Calculation Incorrect
• Standard Procedure
  • Adaptive Cruise Control Verification Test
    • Diagnostic Test