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DTC Descriptor

WARNING: This page is about a different car, the 2007 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTC:

DTC U0020 Low Speed CAN Communication Bus Performance

When more than one Low Speed CAN Communication Bus Performance DTC is set in either one module or in several modules, diagnose the DTCs in the following order:

  1. Current DTCs before history DTCs unless told otherwise in the diagnostic table.
  2. The DTC which is reported the most times.

This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description .

DTC U0020

DTC Symptom DTC Symptom Descriptor
00 No Additional Information
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