2007 Volkswagen T5 2.5L with engine code P0653, any procedures to check what's wrong?

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Reynaldo · Answer 1 · 2018-03-05T21:37:37+0000

This code is the ECM reference shorted to power, The only fix is subsitute with a known working ECM.

OBDIITech · Answer 2 · 2021-03-19T16:05:48+0000

P0653 VOLKSWAGEN - Sensor Reference Voltage 'B' Circuit High

Read more: https://www.autocodes.com/p0653_volkswagen.html