P1638 Fault Code
You can find information about the P1638 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Jaguar P1638
"CAN data bus, ECM/instrumentation control module – network malfunction"
Audi P1638
"Data Bus Powertrain"
BMW P1638
"Throttle Valve Position Control; Throttle Stuck Temporarily"
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