Campaign - ESC Module Replacement Update
GMC NUMBER: 94C01GROUP: 6E Engine
DATE: August 1993
SUBJECT:
Electronic Spark Control (ESC) Module Replacement
MODELS:
1994 Sierra C/K Trucks (above 8500 GVW) with 5.7's (L05) Engines Built At Pontiac East Assembly Plant Only (VIN Code K)
Important
This is a revised version of 94C01 sent on August 1.Please note the revised vehicles involved section.
Please retain this copy for your file. Yellow Campaign Bulletin and Owner Letter will not be sent for this campaign.
The following was sent via DCS/EMS on August 11, 1993.
General Motors has determined that certain Sierra C/K trucks equipped with 5.7L engines were built with an incorrect Electronic Spark Control (ESC) module.
Notice:
The ESC module is also referred to as knock sensor module or ESC knock sensor module.
To correct this condition, dealers are to change the electronic spark control module on affected vehicles prior to delivery.
VEHICLES INVOLVED
Involved are certain 1994 Sierra C/K trucks with 5.7L engines. Only those vehicles listed below are involved in this campaign:
VIN SHIP-TO DEALER
1GDJC34K7RE500077 48-56146
1GTGK24K1RE500149 48-06555
1GDJC34K5RE500157 48-26562
1GTGK24K8RE500147 48-44414
1GDJC34K1RE500186 48-30088
1GTHK34K9RE500183 48-06113
DEALER CAMPAIGN RESPONSIBILITY
All unsold new vehicles in dealers' possession and subject to this campaign must be held and repaired per the service procedure of this Campaign DCS Bulletin before owners take possession of these vehicles.
OWNER NOTIFICATION
No owner notification will be sent as the affected vehicles should be in dealer inventory. If any vehicles have been delivered or dealer transferred, please immediately contact the respective purchaser or dealer to have the campaign repair performed.
PARTS INFORMATION
Parts are to be obtained from General Motors Service Parts Operations (GMSPO). To ensure that these parts will be obtained as soon as possible, they must be ordered on a V.I.P. order. V.I.P charges will be waived by GMSPO.
PART NUMBER DESCRIPTION QUANTITY
16128261 Module-Electronic Spark Control 1
SERVICE PROCEDURE
1. Remove ESC (knock sensor) module connector.
2. Remove attaching screws.
3. Remove ESC module.
4. Install new ESC module (P/N 16128261).
5. Install attaching screws.
6. Install ESC module connector.
7. Install "Campaign Identification Label."
WARRANTY INFORMATION
Dealers should submit a warranty claim on each vehicle completed under this campaign.
LABOR
OPERATION *TIME TROUBLE PARTS
NUMBER DESCRIPTION ALLOWANCE CODE ALLOWANCE
V8210 Replace ESC .5 96 **
Module
* For dealer to receive administrative time allowance associated with this campaign, add 0.1 hour to the labor operation Time Allowance.
** The "Parts Allowance" should be the sum total of current GMSPO dealer net price plus 30% of all parts required for the repair.
CAMPAIGN IDENTIFICATION LABEL
Each vehicle corrected in accordance with the instructions outlined in this Product Campaign DCS bulletin will require a "Campaign Identification Label." each label provides a space to include the campaign number and the five (5) digit dealer code of the dealer performing the campaign service. this information may be inserted with a typewriter or a ball point pen.
Each "Campaign Identification Label" is to be located on the radiator core support in an area which will be visible when the vehicle is brought in for periodic servicing by the owner.
Apply "Campaign Identification Label" only on a clean, dry surface.
ADMINISTRATIVE PROCEDURE
Procedures covering this campaign are outlined in section of your dealership's "GMC Truck Warranty Claims Processing Manual" # P9119.