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Cadillac Repair/error codes
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Question
my 88 Cadillac eldorado is giving me the error codes
E020 current
E030 current
E052 history
B411 current
B552 history
E020 = OPEN circuit in the fuel pump system.
E030 = IDLE SPEED CONTROL (ISC) motor circuit problem.
E052 = Battery has been disconnected.
B411 = Problem in the cooling fan circuit.
B552 = Battery has been disconnected.
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Expertise
On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.
Experience
Held over 15 GM certifications prior to retirement in 1989.
Organizations
Prior to retirement held several ASE certifications, numerous Factory certifications.
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