1998 GMC P

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10250079Special Coverage Adjustment ? Electronic Diesel-Fuel Injection Pump Failure ? Repair/Replace
• 10248444Vehicle Recalls
• 10246631Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10246566Special Coverage Adjustment ? Electronic Diesel-Fuel Injection Pump Failure ? Repair/Replace
• 10232287This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10171318This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
• 10170494This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
• 10168979This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details.
• 10166638This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10165876This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable.
• 10157018This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
• 10154641This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10141381This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
• 10139019This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement Concern.
• 10138060This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
• 10137901This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.
• 10115093This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.
• 10114947This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
• 10114924This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
• 10114916This Preliminary Information communication provides information to the technician about vehicle that after a transmission or torque converter replacement the vehicle may have a harsh 1-2 upshift and the Check Engine Light or Service Engine Soon indicator is illuminated. If you have duplicated the customer?s concern and found Diagnostic Trouble Code P0894 or P1870 set in the Transmission Control Module please contact General Motors Technical Assistance Center.
• 10114913This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10114448This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10113443This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
• 10113406This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10112864This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10112546This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10082506This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibration concerns.
• 609641Park/neutral position switch connector cannot be removed. Yd
• 609579Oil weep or leak at gasket between upper and lower intake manifold. Yd

Every GMC P model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.