DTC Descriptor
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P135A
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Ignition Coil Supply Voltage Circuit Bank 1
- DTC P135B
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Ignition Coil Supply Voltage Circuit Bank 2