DTC P115D-86: Mass Air Flow Circuit Offset - Signal invalid: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Check the condition of the air filter and examine the induction pipes for debris which could disrupt air flow at the sensing element
- Check for contamination at sensing element of mass air flow sensor
- Refer to the appropriate system wiring diagrams and check the mass air flow sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new mass air flow sensor as required
- Using the Jaguar Land Rover approved diagnostic equipment, carry out 'Powertrain control module mass air flow adaption clear' routine (0x0406_0E)
- Using the Jaguar Land Rover approved diagnostic equipment, carry out 'Diesel fuelling adaption re-initialization' routine (0x402C)
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest