DTC P026A-77 Charge Air Cooler Efficiency Below Threshold - Commanded position not reachable: Action
WARNING: This page is about a different variant/trim than selected.
- Check charge air cooler system for mechanical integrity
- Check cooling system for mechanical and fluid integrity
- Refer to the appropriate system wiring diagrams and check the charge air coolant 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 charge air coolant pump as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest