GM OBD Trouble Code 87
EEPROM error (flash memory error)
If the ECM detects an internal fault with the EEPROM code 87 will set. The EEPROM is a special "chip" that is installed in the ECM, based on the particular vehicle configuration.
Fault Code Description
- 87 - EEPROM error (flash memory error)
Symptoms
- Engine may not start
- Poor engine performance
Common Problems
- Internal fault with EEPROM
- EEPROM incorrectly installed in ECM
Related Questions
See what others have asked about this, or visit the Questions page to ask your own question.
I need to change the electronic control module (ecm). my car have instaled an ecm with serial number mec33-511 a1 630...
Is there anyone other than the dealer that can do this?
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