FixVault

DTC 1124: Left Rear Wheel Speed Sensor Tone Wheel Error: Notes

Fig 1: Left Rear Wheel Speed Sensor Circuit Schematic
GC0033836Courtesy of CHRYSLER LLC
  1. When Monitored: The Controller Antilock Brake (CAB) monitors the wheel speed circuit every 7 milliseconds (ms).
  2. Set Condition: The Controller Antilock Brake (CAB) will set this DTC if the speed signal is missing and the CAB detects a defective tone wheel signal.
Possible Causes 
DEFECTIVE TONE WHEEL
EXCESSIVE AIR GAP

For a complete Antilock Brake System (ABS) circuit diagram, see SCHEMATICS AND DIAGRAMS .