There are 4 codes I need to know about P0810, P1132, P1618, and P1633, 2001 Volvo V-70 24T

810 neutral check, incorrect connection

Check the transmission and control module connectors. Check for contact resistance and oxidation according to Checking wiring and terminals. Permanent faults

1132 front o2 sensor signal too high
1618 dtc is in another module
Volvo does not provide information regarding DTC P1633 for many of their models.
However, it has been reported that various Volvo engine control modules will produce this code. The code is associated with a missing or inaccurate vehicle speed signal from the ABS control module and may be accompanied by DTC P0722 or P1618.

Possible causes:
- Defective vehicle speed signal to the ABS control module
- CAN connection problem
- Defective ABS control module
- Defective engine control module

Manufacture codes associated with this P code may include ECM-510f, 530d.