# Service bulletin 060845010

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: 10020894
- Published by NHTSA: 2007\-01\-26
- Manufacturer's number: 060845010
- Manufacturer's date: 2006\-11\-01
- NHTSA component: ELECTRICAL SYSTEM:IGNITION:SWITCH

## NHTSA's summary

IGNITION SWITCH DIAGNOSTIC TIPS \- DTC CODES C0561, P1629, P1682, U0101, U0121, U0155 AND/OR NO CRANK/NO START, HVAC, RADIO, ON STAR, POWER ADJUSTABLE PEDALS, AND OTHER ELECTRICAL COMPONENTS INOPERATIVE. \*KB

## 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

Electrical system, Ignition

## Trouble codes named

C0561, P1629, P1682, U0101, U0121, U0155

## Vehicles listed

- 2007 CADILLAC ESCALADE
- 2007 CHEVROLET AVALANCHE 1500
- 2007 CHEVROLET AVALANCHE 2500
- 2007 CHEVROLET SILVERADO 1500
- 2007 CHEVROLET SILVERADO 2500
- 2007 CHEVROLET SILVERADO 3500
- 2007 CHEVROLET SUBURBAN 1500
- 2007 CHEVROLET TAHOE
- 2007 GMC SIERRA 1500
- 2007 GMC SIERRA 2500
- 2007 GMC SIERRA 3500
- 2007 GMC YUKON

## Other bulletins for the same vehicles and component

- [PIT5185](/bulletins/10247742.md), 2023-12-26, Service bulletin: ELECTRICAL SYSTEM:IGNITION. Computer\-Controlled Cranking System \(Bump Start\) Inoperative.
- [PIT5209](/bulletins/10247111.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. Unwanted Alarm Sounding \(GM Accessory Inclination Sensor Mounting\)
- [PIC5650K](/bulletins/10237659.md), 2023-06-13, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
- [PIT4376J](/bulletins/10137171.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE; EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES. This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E8 should be checked to verify that the Theft Deterrent Module is in fleet mode prior to attempting to add keys.
- [PI1018A](/bulletins/10113519.md), 2017-08-15, Service bulletin: EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:IGNITION. This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry \(RKE\) or Remote Vehicle Start \(RVS\) range.
- [PIT4813C](/bulletins/10112648.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the first several minutes after a cold start. Technician may find a Diagnostic Trouble Code B1517 sym 03. If this concern only occurs during the first several minutes of a cold start, no repairs should be made. Dealer should communicate to the customer that this is normal operating characteristic of vehicles equipped with the diesel engine.
- [PIT5185](/bulletins/10112472.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician about vehicles that if the ignition key is turned to the start position, and then released when the engine begins cranking, the engine will continue cranking for a few seconds or until the vehicle starts. Some customers may state that this feature is inoperative. Technician should be advised that if the Low Fuel warning lamp is on and/or the FUEL LEVEL LOW message is displayed in the Driver Information Center, the Computer?Controlled Cranking System will be disabled.
- [09184C](/bulletins/10089417.md), 2017-01-24, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. "09184C \- CUSTOMER SATISFACTION PROGRAM \(REVISED SERVICE PROCEDURE\). THIS BULLETIN HAS BEEN REVISED TO CLARIFY STEP 5 OF THE SERVICE PROCEDURE. CERTAIN 2007\-2009 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA VEHICLES CURRENTLY OR PREVIOUSLY REGISTERED IN ALASKA, CONNECTICUT, DELAWARE, DISTRICT OF COLUMBIA, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN MAY HAVE A CONDITION IN WHICH THE SENSING AND DIAGNOSTIC MODULE \(SDM\) MAY CORRODE DUE TO A SIGNIFICANT QUANTITY OF SNOW AND/OR WATER CONTAINING ROAD SALT OR OTHER CONTAMINANTS ENTERING THE VEHICLE AND SATURATING THE ACOUSTICAL PADDING BENEATH THE CARPET. THE SDM IS LOCATED UNDER THE DRIVER’S SEAT BENEATH THE ACOUSTICAL PADDING. IF SUFFICIENT MOISTURE COLLECTS AND IS RETAINED IN THE PADDING, IT MAY CAUSE EXCESSIVE CORROSION UNDER THE SDM THAT COULD COMPROMISE THE MODULE SEAL AND ALLOW WATER INTRUSION THAT COULD RESULT IN SDM MALFUNCTION. IF THIS CONDITION EXISTS, THE AIRBAG READINESS LIGHT OR A “SERVICE AIRBAG"" MESSAGE ON THE DRIVER INFORMATION CENTER \(DIC\) MAY ILLUMINATE. IN RARE CASES, THE VEHICLE MAY CONTACT ONSTAR® AND THE SEAT BELT PRETENSIONERS OR FRONT AIRBAGS MAY DEPLOY. DEALERS ARE TO REMOVE THE ACOUSTICAL PAD ABOVE THE SDM, INSPECT THE SDM, AND REPLACE THE SDM, IF NECESSARY."
- [PIT\-5090](/bulletins/10038768.md), 2011-06-27, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. 2007\-2011 SILVERADO/SIERRA. \*RM
- [4016](/bulletins/10020967.md), 2007-02-02, Service bulletin: ELECTRICAL SYSTEM:IGNITION:SWITCH. DELAYED OR EXTENDED CRANKING DTC P1682. \*KB

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