Section 13 (5.7L - DTCS U12A8 To U1431)
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- U12A8-Lost Communication With Master Cylinder Pressure Sensor
- U1409-Implausible Left Front Wheel Speed Signal Received
- Description And Operation-Braking Systems
- Component Functional Description - 3 Wire Brake Pedal Position Sensor
- Component Functional Description - Hydraulic Control Unit (HCU) Assembly
- Component Functional Description-Brake Pedal Simulator Pressure Sensor
- Component Functional Description - Wheel Speed Sensors
- Component Functional Description - Steering Angle Sensor
- Component Functional Description - Brake System Control Module (BSCM)
- Technical Data-Braking System Messages
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview
- Check For An Active Or Intermittent Condition
- Diagnostic Test-EBOOSTER Brake System - Pcm
- Diagnostic Test-Wheel Speed Sensor Faults
- U140A-Implausible Right Front Wheel Speed Signal Received
- Description And Operation-Braking Systems
- Component Functional Description - 3 Wire Brake Pedal Position Sensor
- Component Functional Description - Hydraulic Control Unit (HCU) Assembly
- Component Functional Description-Brake Pedal Simulator Pressure Sensor
- Component Functional Description - Wheel Speed Sensors
- Component Functional Description - Steering Angle Sensor
- Component Functional Description - Brake System Control Module (BSCM)
- Technical Data-Braking System Messages
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview
- Check For An Active Or Intermittent Condition
- Diagnostic Test-EBOOSTER Brake System - Pcm
- Diagnostic Test-Wheel Speed Sensor Faults
- U140B-Implausible Left Rear Wheel Speed Signal Received
- Description And Operation-Braking Systems
- Component Functional Description - 3 Wire Brake Pedal Position Sensor
- Component Functional Description - Hydraulic Control Unit (HCU) Assembly
- Component Functional Description-Brake Pedal Simulator Pressure Sensor
- Component Functional Description - Wheel Speed Sensors
- Component Functional Description - Steering Angle Sensor
- Component Functional Description - Brake System Control Module (BSCM)
- Technical Data-Braking System Messages
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview
- Check For An Active Or Intermittent Condition
- Diagnostic Test-EBOOSTER Brake System - Pcm
- Diagnostic Test-Wheel Speed Sensor Faults
- U140C-Implausible Right Rear Wheel Speed Signal Received
- Description And Operation-Braking Systems
- Component Functional Description - 3 Wire Brake Pedal Position Sensor
- Component Functional Description - Hydraulic Control Unit (HCU) Assembly
- Component Functional Description-Brake Pedal Simulator Pressure Sensor
- Component Functional Description - Wheel Speed Sensors
- Component Functional Description - Steering Angle Sensor
- Component Functional Description - Brake System Control Module (BSCM)
- Technical Data-Braking System Messages
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview
- Check For An Active Or Intermittent Condition
- Diagnostic Test-EBOOSTER Brake System - Pcm
- Diagnostic Test-Wheel Speed Sensor Faults
- U1411-Implausible Fuel Volume Signal Received
- U1412-Implausible Vehicle Speed Signal Received
- U1417-Implausible Left Wheel Distance Signal Received
- Description And Operation-Braking Systems
- Component Functional Description - 3 Wire Brake Pedal Position Sensor
- Component Functional Description - Hydraulic Control Unit (HCU) Assembly
- Component Functional Description-Brake Pedal Simulator Pressure Sensor
- Component Functional Description - Wheel Speed Sensors
- Component Functional Description - Steering Angle Sensor
- Component Functional Description - Brake System Control Module (BSCM)
- Technical Data-Braking System Messages
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview
- Check For An Active Or Intermittent Condition
- Diagnostic Test-EBOOSTER Brake System - Pcm
- Diagnostic Test-Wheel Speed Sensor Faults
- U1418-Implausible Right Wheel Distance Signal Received
- Description And Operation-Braking Systems
- Component Functional Description - 3 Wire Brake Pedal Position Sensor
- Component Functional Description - Hydraulic Control Unit (HCU) Assembly
- Component Functional Description-Brake Pedal Simulator Pressure Sensor
- Component Functional Description - Wheel Speed Sensors
- Component Functional Description - Steering Angle Sensor
- Component Functional Description - Brake System Control Module (BSCM)
- Technical Data-Braking System Messages
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview
- Check For An Active Or Intermittent Condition
- Diagnostic Test-EBOOSTER Brake System - Pcm
- Diagnostic Test-Wheel Speed Sensor Faults
- U1431-Implausible Data Received From Cruise Control Module