# Service bulletin PIC\-5652\-B

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: 10054262
- Published by NHTSA: 2014\-01\-06
- Manufacturer's number: PIC\-5652\-B
- Manufacturer's date: 2013\-11\-01
- NHTSA component: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

## NHTSA's summary

BUICK/CHEVROLET: THE MULTI\-AXIS ACCELERATION SENSOR MODULE HAS DIAGNOSTIC TROUBLE CODE \(DTC\) U0121 \(LOSS OF COMMUNICATION WITH EBCM\) SET, WHEN PERFORMING DTC CHECK USING SCAN TOOL BY TECHNICIAN AND COMPONENTS OF THIS CONDITION NEED NOT BE REPLACED. MODEL 2013\-2013 MALIBU, REGAL, LACROSSE. \*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

Throttle and cruise control

## Trouble codes named

U0121

## Vehicles listed

- 2013 BUICK LACROSSE
- 2013 to 2014 BUICK REGAL
- 2013 to 2014 CHEVROLET MALIBU

## Other bulletins for the same vehicles and component

- [10\-08\-110\-001L](/bulletins/11014171.md), 2025-02-11, Service bulletin: STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
- [130089004H](/bulletins/10246623.md), 2023-12-11, Service bulletin: VISIBILITY:WINDSHIELD; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR \(TPS\). Car and Truck Fix it Right the First Time Issues
- [PIC6014A](/bulletins/10234210.md), 2023-04-17, Service bulletin: ELECTRICAL SYSTEM; SEAT BELTS; VEHICLE SPEED CONTROL; POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that may have the door locks will unlock immediately after auto locking usually at startup or while driving. Technician will need to remove power from the Sensing and Diagnostic Module. If doors no longer unlock unwanted the Sensing and Diagnostic Module should be replaced.
- [PIT5569A](/bulletins/10163665.md), 2019-08-12, Service bulletin: WHEELS; VEHICLE SPEED CONTROL. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U\*\*\*\* Byte 71 DTC.
- [PIT5195B](/bulletins/10114719.md), 2017-08-15, Service bulletin: VEHICLE SPEED CONTROL. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is \+/\- 2 MPH at any given speed when looking straight at the needle.
- [PIP5043B](/bulletins/10111963.md), 2017-08-15, Service bulletin: SERVICE BRAKES; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. This Preliminary Information communication provides information to the technician about vehicles that have a grind growl noise on the 1\-2 shift that can be felt in the clutch pedal and brake pedal if applied during a 1\-2 shift under light or normal acceleration. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
- [PI1036A](/bulletins/10073415.md), 2016-06-22, Service bulletin: VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

JSON: [/v1/bulletins/10054262](/v1/bulletins/10054262)

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