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P1070 on the 2016 Cadillac CTS

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1070
PI1518A2021-09-07. Service bulletin. 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. 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. 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. This engineering information PI is requesting information from the field on a MIL ON, DTC P1070 condition.
PIE04972019-03-25. Service bulletin. This engineering information PI is requesting information from the field on a MIL ON, DTC P1070 condition.
PIE0497B2019-03-18. Service bulletin. 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. 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. 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. 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. 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.

10 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.