1997 Pontiac Bonneville codes

1997 PONTIAC BONNEVILLE
114,000 MILES • 6 CYL • FWD • AUTOMATIC
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MR.CLEAN1
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I know on some models of GM cars you can get a code read out on the heater display, is that possible on my car?
Feb 12, 2009 at 1:39 PM
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JDL
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
I have seen that on some obd1 GM vehicles. I haven't seen it on obd11.

Some of the national brand autostores will check codes for free.
Feb 12, 2009 at 2:38 PM
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