Ok fixed most of my problems. I found today that a low battery can cause the steering angle sensor to need a reset. If the steering angle sensor is not reset immediately after the low voltage then the can bus triggers the below faults.
ABS-Brake Module
Hill descent fault
0x5A Temporary system deactivation
0x68 Steering angle sensor ECU internal fault
EAS-Suspension
0x32 CAN bus Fault
IP-Instrument Pack
0xBD EBV function fault received from ABS ECU
LCM-Light Control v11
0xC ECU EEPROM fault
0x57 Air suspension active/inactive
SASM-Steering Angle
0x4 Steering angle sensor fault during normal operation
you may get one, some or all of these faults due to the affected systems needing the can bus readings from the steering angle sensor.
I have replaced the battery and reset the steering angle sensor using these steps.
Range Rover MKIII - Reset Steering Angle Sensor - YouTube
Most of the problems are now fixed
1996 Range Rover P38 HSE (The P38)
1999 Discovery 1 (Green Machine)
2002 Discovery 2 Td5 (Tinkerbell)
2002 Range Rover L322 HSE (New Blue)
2011 Discovery 4 SDV6 (Trouble)
There are 10 types of people in the world, those who understand binary, and those that don't.
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