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Service bulletins for the 2016 Cadillac CTS

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.

1669 on file from NHTSA, as of 2026-10-19.

About P1070 on the 2016 Cadillac CTS: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P1070 are shown. Show all

Bulletins, newest first
PI1518A2021-09-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Stop/Start System Malfunction, DTS P1064, P1065, P1068, P1070, P108D, P108R, or P1091 Set - Equipped with Stop/Start System (RPO KL9)
PI1518A2021-04-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Stop/Start System Malfunction, DTC P1064, P1065, P1068, P106F, P1070, P108D, P108E, or P1091 Set Condition/Concern Some customers may comment that the message “Stop/Start System Disabled” appears on the DIC. There may be a poor ground terminal connection at G400.
PIE0497C2019-07-29. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This engineering information PI ends the need for further information from the field to determine a root cause on a MIL ON, DTC P1070 condition. If a vehicle is encountered with this condition, refer to SI for further diagnosis.
PIE0497A2019-03-25. Service bulletin. EQUIPMENT. This engineering information PI is requesting information from the field on a MIL ON, DTC P1070 condition.
PIE04972019-03-25. Service bulletin. ELECTRICAL SYSTEM. This engineering information PI is requesting information from the field on a MIL ON, DTC P1070 condition.
PIE0497B2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This engineering information PI is requesting information from the field to determine a root cause on a MIL ON, DTC P1070 condition.
PI1519A2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This preliminary informational bulletin provides repair information to correct a customer concern that the message ?Stop/Start System Disabled? appears on the DIC, or technician may find DTC P1064, P1065, P1066, P1068, P1069, P1070, P1074, P1077, P1078, P1079, P107A, P107B, P107C, P107D, P107E, P107F, P108A, P108B, P108C, P108D, P108E or P108F set.
PIC62252017-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vehicles that have Auto Stop is inoperative and a Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P1070 set. Technician will need to use a scan toll to clear the Diagnostic Trouble Code. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PI1519B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING. This preliminary informational bulletin provides a procedure to complete a wire to wire repair on vehicles with the condition of Stop/Start System Malfunction or DTC P1064, P1065, P1066, P1068, P1069, P1070, P1074, P1077, P1078, P1079, P107A, P107B, P107C, P107D, P107E, P107F, P108A, P108B, P108C, P108D, P108E or P108F Set
PI1519A2016-07-07. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some customers may comment that the message “Stop/Start System Disabled” appears on the DIC. During diagnosis, the technician may find DTC P1064, P1065, P1066, P1068, P1069, P1070, P1074, P1077, P1078, P1079, P107A, P107B, P107C, P107D, P107E, P107F, P108A, P108B, P108C, P108D, P108E or P108F set as current or history.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.