Section 31 (3.0L - DTCS P0641-00 To P0699-00)
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
- P0641-00-Sensor Reference Voltage 1 Circuit
- P0642-00-Sensor Reference Voltage 1 Circuit Low
- P0643-00-Sensor Reference Voltage 1 Circuit High
- P0645-00-A-C Clutch Relay Control Circuit
- P0646-00-A-C Control Circuit Low
- P0647-00-A-C Control Circuit High
- P064A-00-Fuel Pump Control Module 1
- 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
- P064D-00-Internal Control Module 02 Sensors Processor Performance - Bank 1
- P064E-00-Internal Control Module 02 Sensors Processor Performance-Bank 2
- P0651-00-Sensor Reference Voltage 2 Circuit
- P0652-00-Sensor Reference Voltage 2 Low
- P0653-00-Sensor Reference Voltage #2 Circuit High
- P065A-00-Generator System Performance
- P065B-00-Generator A Control Circuit Range-Performance
- P065C-00-Intelligent Alternator Module Functional Test Mechanical Failure
- P068A-00-ECM Power De-Energized Performance-Too Early
- P068B-00-ECM Power De-Energized Performance-Too Late
- P0691-00-Cooling Fan 1 Control Circuit Low
- P0692-00-Cooling Fan 1 Control Circuit High
- P0697-00-Sensor Reference Voltage 3 Circuit
- P0698-00-Sensor Reference Voltage 3 Circuit Low
- P0699-00-Sensor Reference Voltage 3 Circuit High