U1900 Diagnostic Trouble Code Discussion for June 2018
CAN System Communication Error
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| Help Request | Posted | |
| 2004 Mazda 6 i 2.3L Poor Idle Quality, Hesitation, Cuts out VIN: 1YVHP84C34 U1900: CAN System Communication Error. The timing was mechanically checked and is dead on, it was also scoped and also dead on. These codes only occur after a test drive and a heavy decelerate. It also has a rough cold idle upon start up for 10 seconds. |
June 05, 2018 |
