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DTC Infiniti P1220 Short Explanation

The video focuses on the basic Infiniti diagnostic error code. Contents: 0:21 Basic DTC analysis according to OBD2 protocol standard. 1:48 Insight into programming an explanation of what a bit is and how a byte is formed decoding the Error Code to the base programming 2:58 A diagnostically understandable description of the Diagnostic Trouble Code 3:05 Basic error definition Possible causes or errors of the car and its parts describing the mentioned error We will continue to work on improving the content. Our efforts at Maxidot s.r.o.the video content gets better. #maxidot #dtc #howto #diagnostictroublecode #infiniti Make: Infiniti Code: P1220 Definition: Gauge Control Module Lost Communication with Relay Control Module (RM Message) Description: Poor communication between the Gauge Control Module and the Relay Control Module.If DTCs B1005, B1959, B2162, and or or B2970 are also indicated,prform the Relay Control Module input test.If no aditional codes are present,perform the Gauge Control Module input test. Cause: Loose or poor connections between the Gauge Control Module and the Relay Control Module Blown fuse in the main under-hood fuse box Blown fuse in the under-dash fuse or relay box "Open" or "Short" to ground at the Gauge Control Module "Open" or "Short" to ground at the Relay Control Module Faulty Gauge Control Module Faulty Relay Control Module