BMW P1037: Valvetronic (VVT) CAN Timeout Message (Bank 1)

What Does The BMW P1037 Code Mean?

This code indicates the condition that:

After the key has been on for 800ms (within two messages) or the engine running for 400ms, with a battery voltage at 10 volts, the difference between the deactivation and the starting positions exceeds specification. No suspension of BUS activity.

What Are The Potential Causes Of The BMW P1037 Code?

Below are some potential causes of this DTC:

• ECU failure (or SZL or ZGM)
• Bus system failure
• Defective bus controller (SZL or ZGM)
• Short circuit in CAN wire or open circuit.
• Defective DME
• Defective VVT-SG

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> BMW Electronic Control Unit (DME) - Genuine BMW 12147551615
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

BMW P1037, DTCDECODE.