The ECU Pro solved a mystery on my daughter's 2013 Passat by providing a cloned replacement ECU. Despite changing an O2 sensor, testing wiring, and even replacing the battery, the car's CEL would not turn off. Their replacement unit plugged in without any additional coding steps and with the turn of the key, the CEL was GONE! Their website is exceptional and communication throughout the process is top notch. -Steve
3 weeks ago
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