The automobile fault code u0447 indicates a problem with the Gateway Control Module ‘A’ in the vehicle. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light. The cause of this fault code could be a faulty Gateway Control Module ‘A’, an open or shorted harness, or a poor electricalRe: Disco 3 tdv6 Engine System Fault. Hard reset (Disconnect and connect together +ve and -ve battery terminals for 30 - 45 seconds) and full battery charge and your Disco should be making you smile in no time. If not, you need someone to plug in to read the fault codes. Stay Safe.
The blink codes appear to tell you more information than just the P1317. The Codes: Code 2-6 - Faulty stoplight switch or wiring. Fuse A5 blown or not fitted. Code 2-7 - Continuous supply to ECU with ignition off. Faulty valve relay or wiring Code 2-8 - No voltage to ABS solenoid valves. Faulty valve relay or wiring.
Oxygen Sensor Cycle Fault *codes* B U P0151 Oxygen Sensor Low Voltage *codes* BU P0152 Oxygen Sensor High Voltage *codes* BU P0153 Oxygen Sensor Slow response *codes* B U P0156 Oxygen Sensor Cycle Fault *codes* B D P0157 Oxygen Sensor Low Voltage *codes* BD P0158 Oxygen Sensor High Voltage *codes* BD P0159 Oxygen Sensor Slow response *codes* B