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.
Where is the ecm unit located in this van?
If i try to use a used ecm does it need to be programed to my car and can i do this myself? it looks fairly simple to...
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