Obviously, this leads to an unsuccessful repair. Common Misdiagnosis Symptoms and stored codes that are present as a reaction to a communication failure are often misdiagnosed and repaired as the cause of the problem. Other causes may include corroded, open, or shorted wiring or connectors in the CAN Bus harness, a loose control module ground strap or broken ground wire, the CAN bus may also be defective. Common Causes Unlike most other PCM codes, the most likely cause of this code being stored is a poor electrical connection or defective driver in the PCM. If this code is stored, and a service engine soon lamp has not yet been illuminated, the code may be shown as pending. Symptoms Symptoms may include drivability issues, harsh shifting, decreased fuel economy, the engine may stall or run roughly at idle, poor acceleration, a stored trouble code, and possibly an illuminated service engine soon lamp. Some models require multiple drive cycles (as many as 8) with a failure in order for the service engine soon lamp to be illuminated and others will activate it on the initial failure. Code Set Parameters In the event of a loss of communication with (or lack of ability to control) any of the various supporting control modules is detected a trouble code will be stored and a service engine soon lamp will be illuminated. These control modules may include (but are not limited to) the transmission control module, the body control module, the antilock brake control module, the instrument panel control module, the fuel injection control module, the turbo control module, the anti-theft module, the cruise control module, the traction control module, proximity alert module, and the climate control module. P0600 Serial Communication Link Malfunction Indicator This code indicates that a malfunction has been detected between the PCM and one of the other supporting control modules. I was driving along, and then the car started to shake, and then I lost the ability to use the gas. P0505-Idle Control System Malfunction P0600-Serial Communication Link Malfunction I got these codes from my mechanic after my car lost power on the highway. P0600 Serial Communication Link Malfunction Nissan Rating: 8,0/10 3024 votes
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January 2023
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