# Service bulletin PIC4740C

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: 10112610
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIC4740C
- Manufacturer's date: 2012\-11\-28
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:WIRING

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the connections as necessary.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10112610-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10112610-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module, Wiring and fuses

## Trouble codes named

C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, U2106

## Vehicles listed

- 2013 CADILLAC ATS
- 2008 to 2013 CADILLAC CTS
- 2007 to 2009 CADILLAC SRX
- 2006 to 2011 CADILLAC STS

## Recalls for the same vehicles and component

- [14V338000](/recalls/nhtsa/14V338000.md), 2014-06-19: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [PI0700B](/bulletins/10253611.md), 2024-04-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Shudder Feel While Driving in 40\-50 MPH Range.
- [14179A](/bulletins/10247273.md), 2023-12-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER. Transmission Shift Cable
- [14179](/bulletins/10247272.md), 2023-12-18, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. Transmission Shift Cable
- [PIC5745](/bulletins/10247038.md), 2023-12-11, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). Shifter Loose Feel in Drive Or Intermittent Shift To Park Message.
- [130089008](/bulletins/10246630.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:WIRING. GM Wiring Repair Strategy Information
- [17\-NA\-066](/bulletins/10239647.md), 2023-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
- [16\-NA\-130](/bulletins/10232711.md), 2023-03-08, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
- [06\-00\-89\-031D](/bulletins/10201098.md), 2021-09-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- [990420002L](/bulletins/10200154.md), 2021-08-09, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
- [PI1155](/bulletins/10191014.md), 2021-04-28, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Shudder Feeling While Driving in 40\-80 km/h \(25\-50 mph\) Range Condition/Concern Some customers may comment on a shudder feeling when driving, typically in the 40\-80\&\#9830;km/h \(25\-50\&\#9830;mph\) range. They may state that the condition feels like an engine misfire or like the car is driving over rumble strips on the road. This condition may be caused by a torque converter clutch \(TCC\) apply shudder.

JSON: [/v1/bulletins/10112610](/v1/bulletins/10112610)

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