Service bulletin PI-1522
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10059176 |
| Published by NHTSA | 2016-02-13 |
| Manufacturer's number | PI-1522 |
| Manufacturer's date | 2015-08-01 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
NHTSA's summary
GMC/CHEVROLET: DUE TO INTERFERENCE WITH ENGINE ACCESSORY DRIVE BELT FROM TRANSMISSION CONTROL MODULE (TCM) WIRE HARNESS ROUTING, THE WIRE HARNESS WILL BE DAMAGED AND HAVE POOR TRANSMISSION PERFORMANCE AND QUALITY SHIFTING AND MALFUNCTION INDICATOR LAMP (MIL) ON. *PE
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Transmission and driveline, Automatic transmission, Transmission control module
| CHEVROLET SILVERADO | 2015, 2016 |
|---|---|
| GMC SIERRA | 2015, 2016 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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| PIP5621C | 2022-10-17. Service bulletin. 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. |
| 21NA199 | 2022-02-14. Service bulletin. This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. |
| 15-NA-083 | 2021-09-07. Service bulletin. Recovery Process from a Controller Reprogramming Interruption |
| 06-00-89-031D | 2021-09-07. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification |
| 990420002L | 2021-08-09. Service bulletin. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. |
| 06-00-89-031D | 2021-04-20. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification |
| 15-NA-083 | 2021-04-20. Service bulletin. Recovery Process from a Controller Reprogramming Interruption During service reprogramming of the T87 TCM, some technicians may notice the TCM may fail during the reprogramming event and become unresponsive to the Service Programming System (SPS), unresponsive to the GDS2 tool. This bulletin addresses corrective actions to attempt to recover the module before declaring the TCM as a bad part and replacing. During reprogramming, an interruption can cause the module to lock up. A module reset may recover the TCM |