DTC P0404-85 EGR "A" Control Circuit Range/Performance - Signal above allowable range: Action
WARNING: This page is about a different variant/trim than selected.
- Diagnosis of this Diagnostic Trouble Code(s) may require using the Jaguar Land Rover approved diagnostic equipment to check datalogger signals:
- 0x0374 EGR Valve Position Sensor Voltage - Volts
- 0x03FB EGR Bank 1 - Commanded - %
- 0xF42C Commanded EGR - %
- Refer to the appropriate system wiring diagrams and check the EGR valve circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Exhaust gas recirculation valve - High pressure
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new EGR valve as required
- Exhaust gas recirculation valve - High pressure
- Using the Jaguar Land Rover approved diagnostic equipment, complete 'Air path set-up routine' routines (0x4030/0x4051_01/0x4050_01/DID 0xF405)
- Using the Jaguar Land Rover approved diagnostic equipment, complete 'Powertrain control module low pressure EGR adaption clear' routine (0x0406_0C)
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest