DTC B1B33-81: PATS Challenge Error - Invalid serial data received: Action

WARNING: This page is about a different car, the 2018 Jaguar XF, 2017 Jaguar XF, and 2016 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

Using the manufacturer approved diagnostic system, re-configure the body control module as a new module. Re-configure the engine control module as a new module
Refer to the relevant system wiring diagrams and check the engine control module power and ground circuits for open circuit, high resistance
Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the relevant system wiring diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance