Home/Dodge/Challenger/Dodge Challenger III (2008-2010)/Repair manual/Communication Devices/Steering Control Module (Scm) - Electrical Diagnostics: Oth…
Contents Wiring diagrams Section: Communication Devices All sections

Steering Control Module (Scm) - Electrical Diagnostics: Other Dodge Challenger III

Monitor Conditions

  1. When Monitored: Continuously with the ignition on.

Set Conditions

  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Audio Switch is in the Set position for greater than 50 seconds.

Possible Causes

Possible Causes
LEFT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Menu Switch is in the Set position for greater than 50 seconds.
Possible Causes
RIGHT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Column Control Module senses that the Steering Wheel Control Up Switch is in the Set position for greater than 50 seconds.
Possible Causes
LEFT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Down Switch is in the Set position for greater than 50 seconds.
Possible Causes
LEFT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Side Switch is in the Set position for greater than 50 seconds.
Possible Causes
LEFT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Plus (+) Switch is in the Set position for greater than 50 seconds.
Possible Causes
RIGHT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Minus (-) Switch is in the Set position for greater than 50 seconds.
Possible Causes
RIGHT STEERING SWITCH
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module senses that the Steering Wheel Control Compass/Temperature Switch is in the Set position for greater than 50 seconds.
Possible Causes
INTERMITTENT STEERING WHEEL CONTROL C/T SWITCH CIRCUIT DTC
RIGHT STEERING SWITCH
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously.
  1. Set Condition: The Steering Control Module (SCM) detects an internal failure.
Possible Causes
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The SCM senses that Horn Switch is in the Set position for greater than 50 seconds.
Possible Causes
(X3) HORN SWITCH SIGNAL CIRCUIT SHORTED TO (X903) HORN SWITCH RETURN CIRCUIT
(X3) HORN SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
(X3) HORN SWITCH SIGNAL CIRCUIT SHORTED TO (D501) LIN SLAVE RETURN CIRCUIT
(X3) HORN SWITCH SIGNAL CIRCUIT SHORTED TO (G907) EVIC/NAV MUX RETURN CIRCUIT
HORN SWITCH
RIGHT STEERING SWITCH
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously.
  1. Set Condition: The Steering Control Module (SCM) has detected a code error from the Steering Angle Sensor.
Possible Causes
INTERMITTENT STEERING ANGLE SENSOR ERRATIC PERFORMANCE DTC
STEERING ANGLE SENSOR TONE WHEEL
STEERING ANGLE SENSOR
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously.
  1. Set Condition: If the voltage to the Steering Control Module (SCCM) is below 8.5 volts for more than one minute.
Possible Causes
RELATED DTC(S) PRESENT IN PCM
INTERMITTENT BATTERY VOLTAGE LOW DTC
(A913) FUSED B(+) CIRCUIT HIGH RESISTANCE
(Z910) GROUND CIRCUIT HIGH RESISTANCE
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously.
  1. Set Condition: If the voltage to the Steering Control Module (SCM) is above 16 volts for more than one minute.
Possible Causes
RELATED DTC(S) PRESENT IN THE PCM
INTERMITTENT BATTERY VOLTAGE HIGH DTC
(A913) FUSED B(+) CIRCUIT HIGH RESISTANCE
(Z910) GROUND CIRCUIT HIGH RESISTANCE
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module (SCM) has detected that a non-permissable combination has occurred in the Speed Control Switch.
Possible Causes
INTERMITTENT SPEED CONTROL MULTIPLEXED SWITCH 1/2 CORRELATION DTC
SPEED CONTROL SWITCH
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: The Steering Control Module detects that the Speed Control Switch signal voltage is not plausible.
Possible Causes
INTERMITTENT DTC
SPEED CONTROL SWITCH
STEERING CONTROL MODULE (SCM)
  1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.
  1. Set Condition: Bus messages not received from the ABS module for approximately 2 to 5 seconds.
Possible Causes
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
ABS MODULE
ABS MODULE POWER AND GROUND
MODULE THAT SET THIS DTC
  1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.
  1. Set Condition: Bus messages not received from the TIPM for approximately 2 to 5 seconds.
Possible Causes
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
TIPM
TIPM POWER AND GROUND
MODULE THAT SET THIS DTC
  1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.
  1. Set Condition: Bus messages not received from the CCN for approximately 2 to 5 seconds.
Possible Causes
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
CCN
CCN POWER AND GROUND
MODULE THAT SET THIS DTC
  1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.
  1. Set Condition: Bus messages not received from the SCM for approximately 2 to 5 seconds.
Possible Causes
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
SCM
SCM POWER AND GROUND
MODULE THAT SET THIS DTC
  1. When Monitored: Continuously with the ignition on.
  1. Set Condition: There is no response from the Steering Column Control (LIN) Switch for 10 ms.
Possible Causes
INTERMITTENT LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS DTC
LIN BUS WIRING AND CONNECTORS
CLOCKSPRING
RIGHT STEERING SWITCH
STEERING CONTROL MODULE (SCM)