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: 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: 10224288 Manufacturer Communication Number: PIT5944 Summary This Preliminary information communicates to the field how to address a condition that was caused by a over the air update. Condition Some customers may experience one or more of the following concerns after a customer recently accepted an OTA update: 1. No Crank 2. No Propulsion 3. … Read more
NHTSA ID Number: 10224296 Manufacturer Communication Number: PIT5936C Summary This Preliminary information communicates some customer may comment the headlights are on during daylight conditions with DTC B108E set. Dealers are to reprogram the BCM with updated calibrations to correct this issue. Condition Some customers may notice during daylight conditions that the Daytime Running Lamps (DRL’s) are … Read more
