Astra H VXR Sprint

With the instruments doing really weird things (see post above) these were the trouble codes read by Tech2:

Stored in DIS – Info Display:
U2141 Can Bus No Communication with REC
U2140 Can Bus No Communication with UEC
U2100 No Communication with Can Bus Low Speed

Stored in REC – Rear Electrical Center:
U2140 Can Bus No Communication with UEC
U2116 Can Bus No Communication with IPC
U2113 Can Bus No Communication with SDM
U2100 No Communication with Can Bus Low Speed
B3089 Pane Breakage Sensor Rear Window Heater Circuit Open or High Voltage
B1375 Switched System Voltage (Ignition On) Not Plausible With CAN Signal
B0655 Brake Light Switch Circuit Incorrect Signal
B3916 Alarm Siren Battery Voltage Low

Stored in UEC – Underhood Electrical Center:
U2141 Can Bus No Communication with REC
U2139 Can Bus No Communication with CIM
U2116 Can Bus No Communication with IPC
U2100 No Communication with Can Bus Low Speed
B1375 Switched System Voltage (Ignition On) Not Plausible With CAN Signal

Stored in IPC – Instrument Panel:
U2139 Can Bus No Communication with CIM
U2140 Can Bus No Communication with UEC
U2141 Can Bus No Communication with REC
U2100 No Communication with Can Bus Low Speed
P0460 Fuel Level Sensor Circuit Range/Performance
P0115 Engine Coolant Temperature Signal Range/Performance
P0654 Engine Speed Signal Range/Performance
P0500 Vehicle Speed Signal Range/Performance
P0550 Mileage Circuit Range Performance

Stored in CIM – Column Integrated Module:
U2141 Can Bus No Communication with REC
U2140 Can Bus No Communication with UEC
U2116 Can Bus No Communication with IPC
U2100 No Communication with Can Bus Low Speed
B3977 Wrong Environment Identifier Received UEC
B3929 Wrong Environment Identifier Received REC
B3925 Wrong Environment Identifier Received IPC

Stored in Engine ECU:
P1616 CIM Wrong Environment Identifier
P1614 Wrong Transponder Key
P0136 No Plausibility between O2 Sensor Bank 1 Sensor 1 and O2 Sensor Bank 1 Sensor 2

Stored in CDC (Computer Damping Control) which has been disabled:
C0000 Damper Mode Switch Info Via CAN BUS Incorrect Signal