GM Recalls, Technical Service Bulletins TSB's, Diagnostic & Repair Tips
NHTSA ID Number: 10222670 Manufacturer Communication Number: 22-NA-184 Summary This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal. Condition Technician’s may find a no movement condition after replacement of the valve body on the 8L45 or 8L90 automatic … Read more
NHTSA ID Number: 10222671 Manufacturer Communication Number: 22-NA-186 Summary This service bulletin provides repair information to correct a customer concern of Instrument Cluster Concerns and/or DTC U0155 Set. Condition Some customers may comment that intermittently the instrument panel cluster (IPC) may exhibit any of the following conditions: Cause The cause of the condition may be … Read more
NHTSA ID Number: 10222668 Manufacturer Communication Number: 22-NA-182 Summary This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern. Condition Some customers may comment on one or more of the following before or after the transmission has been overhauled: Some customers may also comment on … Read more
NHTSA ID Number: 10224285 Manufacturer Communication Number: PIP5621C Summary This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC. Condition Some customers may comment on the operation … Read more
NHTSA ID Number: 10224286 Manufacturer Communication Number: PIT5723A Summary This Preliminary information communicates information that the EVAP purge pump may be filling with liquid fuel if the customer overfills the fuel tank by over 3 clicks of a normal filler nozzle. Reference N202324990: Special Coverage – Evaporative Emissions Purge Pump for repair information Condition Some customers … Read more
