Section 24 (3.0L - DTCS P0221-00 To P027C-00)
WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer L and 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- P0221-00-Throttle Position Sensor 2 Performance
- P0222-00-Throttle Position Sensor 2 Circuit Low
- P0223-00-Throttle Position Sensor 2 Circuit High
- P0231-00-Fuel Pump Secondary Circuit Low
- P0236-00-Turbocharger/Supercharger Boost Pressure Sensor Performance
- P0237-00-Turbocharger/Supercharger Boost Pressure Sensor Circuit Low
- P0238-00-Turbocharger/Supercharger Boost Pressure Sensor Circuit High
- P023A-00-Charge Air Cooler Coolant Pump Control Circuit/Open
- P023F-00-Fuel Pump Secondary Circuit-Open
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Command Circuit Faults (P023F, P025A, P027A, P2632)
- Diagnostic Test - Complete Fuel Pump Control Module System Testing (Not DTC Specific)
- Powertrain Verification Test
- P0243-00-Turbocharger/Supercharger WASTEGATE Control Circuit
- P0244-00-Turbocharger WASTEGATE Actuator Performance
- P0247-00-Turbocharger-Supercharger WASTEGATE Control Circuit 2
- P0248-00-Turbocharger-Supercharger WASTEGATE Actuator 2 Performance
- P025A-00-Fuel Pump Module Control Circuit-Open
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Command Circuit Faults (P023F, P025A, P027A, P2632)
- Diagnostic Test - Complete Fuel Pump Control Module System Testing (Not DTC Specific)
- Powertrain Verification Test
- P025B-00-Fuel Pump Module Control Circuit Performance
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - Fuel Pump Control Performance Faults (P025B, P027B, P064A, P2635, P26EA)
- Powertrain Verification Test
- P025C-00-Fuel Pump Module Control Circuit Low
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Voltage Low And High (P025C, P025D, P027C, P027D)
- Powertrain Verification Test
- P025D-00-Fuel Pump Module Control Circuit High
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Voltage Low And High (P025C, P025D, P027C, P027D)
- Powertrain Verification Test
- P026B-00-Injection Timing Performance
- P026E-00-Charge Air Cooler Coolant Pump Performance
- P027A-00-Fuel Pump Module "B" Control Circuit/Open
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Command Circuit Faults (P023F, P025A, P027A, P2632)
- Diagnostic Test - Complete Fuel Pump Control Module System Testing (Not DTC Specific)
- Powertrain Verification Test
- P027B-00-Fuel Pump Module "B" Control Circuit Performance
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - Fuel Pump Control Performance Faults (P025B, P027B, P064A, P2635, P26EA)
- Powertrain Verification Test
- P027C-00-Fuel Pump Module "B" Control Circuit Low
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Voltage Low And High (P025C, P025D, P027C, P027D)
- Powertrain Verification Test