What is your question?
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What is your question?
Pontiac Bonneville 2000 , wiring harness was changed , no codes come up . Car starts sometimes others times it wants to but won't.
How long has your 2000 Pontiac Bonneville had this problem?
Over a year
1 Reply
Hello, the concern for your vehicle is to vague. Testing is required to find out what is preventing starting. Is there a spark or fuel system failure? Air intake? Too hard to know until you test.
B1004 says for this code (loss of keep alive memory).... U1301 (class 2 data high or low volts)