GMC Archives - DeMark Auto Repair & Parts

2015 GMC Terrain
Mileage
96,172
Service Date
4/4/2025
Services Performed
PERFORMED 25 POINT INSPECTION
B1325 control module power circuit low voltage set in airbag module and bcm. B101e electronic control unit software eeprom incorrect programming, b1325 control module power circuit low voltage, b1395 control module voltage reference output 1 circuit low voltage, b1517 battery voltage low voltage, b1529 control module voltage reference output 5 circuit low voltage, b3600 passenger compartment dimming request signal circuit low voltage, c0277 brake pedal position sensor circuit low voltage/open, c0750:03 left front tire pressure sensor low voltage, c0750:29 left front tire pressure too few pulses, c0755:03 right front tire pressure sensor low voltage, c0755:29 rf tire pressure sensor too few pulses (codes for all 4 tire pressure sensor voltage low and too few pulses), c0890 control module voltage reference output 3 circuit low voltage. B101d:f0 electronic control unit hardware short stored in telematics module. Cleared codes and test drove vehicle. B101d:f0 sets immediately. No other codes returned and everything works as designed. Inspected all fuses, specifically bcm fuses with no faults found. Accessed bcm and inspected harness and connectors with no issue found. No applicable tsbs for these codes/symptoms. Checked TPMS sensors and 0/4 are registering. recommend taking to a tire shop for that issue.
CARD FEE
KATHY D. gave our service a 5 star review on 4/5/2025
2005 GMC Yukon
Mileage
231,729
Service Date
1/15/2025
Services Performed
PERFORMED 25 POINT INSPECTION
No codes set in powertrain. Test drove vehicle and didn't notice any driveability issues.
On test drive noticed all dash illumination lights would dim/go out sometimes. When this happened, if you adjusted the dimmer on the headlight switch the issue would be corrected. Could not hear a hissing sound.
Change oil and filter. Inspect and top off fluids. Check for grease fittings.
A/C COMPRESSOR DRIVE BELT – Remove & Replace – [Includes: Serpentine and V-Belt type Belt(s).]
TOP OFF TRANSMISSION
CARD FEE
CARL H. gave our service a 5 star review on 1/15/2025
2008 GMC Yukon XL
Mileage
201,812
Service Date
11/19/2024
Services Performed
PERFORMED 25 POINT INSPECTION
P0121 throttle position sensor 1 performance, p0300, p0842 transmission fluid pressure switch 1 circuit low voltage, p0877 transmission fluid pressure (TFP) switch 4 circuit low voltage. Recorded freeze frame data and cleared codes, test drove vehicle. Code p0877 reset, and cylinder 6 had 94 history misfires but none active. Removed cylinder 6 spark plug and ignition wire came apart, spark plug is worn beyond specs. Inspected throttle body and it is dirty, monitored tps data during test drive and no issue was present at this time. Recommend tuneup, removing and cleaning throttle body, and replacing transmission due to faulty tfp switches and due to mileage.
SPARK PLUGS – Remove & Replace
THROTTLE BODY ASSEMBLY – Remove, clean & Replace – [Includes: Perform Relearn procedure.] C
STABILIZER BAR -REPLACE BROKEN HARDWARE
Battery passed test after being charged
CARD FEE
KATHLEEN A. gave our service a 5 star review on 11/20/2024
2017 GMC Sierra 2500 HD
Mileage
103,312
Service Date
9/19/2024
Services Performed
PERFORMED 25 POINT INSPECTION
Change oil and filter. Inspect and top off fluids. Check for grease fittings.
THOMAS H. gave our service a 5 star review on 9/19/2024
2017 GMC Sierra 1500
Mileage
83,012
Service Date
8/14/2024
Services Performed
PERFORMED 25 POINT INSPECTION
BRAKE SHOES &/OR PADS – Remove & Replace – Front – [Includes: Clean, lube and/or replace Brake Hardware as necessary. Adjust Brakes (where applicable). Includes: Repack Wheel Bearings (where applicable). DOES NOT include refinishing.]
GARY S. gave our service a 5 star review on 8/14/2024
2018 GMC Acadia
Mileage
54,712
Service Date
6/13/2024
Services Performed
PERFORMED 25 POINT INSPECTION
Change oil and filter. Inspect and top off fluids. Check for grease fittings.
No codes stored. Noticed on scan tool door positions were not learned. Calibrated door actuators. Passenger side is cold, driver side is not. Suspect faulty left temperature blend door actuator.
PEPPER R. gave our service a 5 star review on 6/14/2024
2007 GMC Sierra
Mileage
123,223
Service Date
4/24/2024
Services Performed
PERFORMED 25 POINT INSPECTION
Replaced engine oil pan gasket and dipstick tube o-ring.
ELIAS C. gave our service a 5 star review on 5/17/2024
2006 GMC Canyon
Mileage
150,099
Service Date
5/22/2023
Services Performed
25 POINT INSPECTION
Change oil and filter. Inspect and top off fluids. Check for grease fittings.
KARA H. gave our service a 5 star review on 5/22/2023
2007 GMC Sierra
Mileage
117,908
Service Date
4/20/2023
Services Performed
25 POINT INSPECTION
Oil pan/rear main leaking, transmission pan/torque converter seal leaking
A/C COMPRESSOR DRIVE BELT – Remove & Replace – 1500,V8 – [Includes: Serpentine and V-Belt type Belt(s).]
OIL PAN GASKET – Remove & Replace – 1500,V8,RWD w/Skid Plate
CRANKSHAFT MAIN OIL SEAL – Remove & Replace – 1500,V8,RWD Rear,w/o Skid Plate – [Includes: R&I Transmission Assembly and Flywheel.]
TRANSMISSION OIL PAN GASKET &/OR FILTER – Remove & Replace – 1500 w/o Skid Plate – [Includes: R&I Catalytic Converter.]
TRANSMISSION TORQUE CONVERTER SEAL – Remove & Replace – 1500,V8,RWD
ELIAS C. gave our service a 5 star review on 4/25/2023
2016 GMC Yukon
Mileage
47,185
Service Date
4/24/2023
Services Performed
SERVICE FRONT AND REAR DIF, TUNE UP
25 POINT INSPECTION
DIFFERENTIAL FLUID – Drain & Refill – 4WD Front Axle
DIFFERENTIAL FLUID – Drain & Refill – Rear Axle – [Includes: R&I Differential Cover.]
TRANSFER CASE FLUID – Drain & Refill – 4WD w/o Skid Plate
SUSAN C. gave our service a 5 star review on 4/24/2023

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