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Gary, Buick Technician
Category: Buick
Satisfied Customers: 16759
Experience:  15 years master GM tech and mater ASE tech
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My wife has a 2004 Buick Rainier 6 Cyl. Check engine light

Customer Question

Hi Eric! My wife has a 2004 Buick Rainier 6 Cyl. Check engine light blinking, figured bad coil pack, autozone read OBD-2 code as C0298, Power Tran Control Malfunction, doesn't make sense because that is for traction control. Shakes when stopped...
Submitted: 1 year ago.
Category: Buick
Expert:  Gary replied 1 year ago.

I am sorry for the long wait

the C0298 is a code just stating the PCM can not control traction control correctly due to usually a PCM code being set

with the check engine light blinking it means the engine is or has a misfire

there were NO P codes in the PCM at all ?