TAC Tips for August 2016

We are resolving a number of cases every day and wanted to share some of the great conversations and tips we’ve had from across the country.  Check back every day! Follow-up on Twitter or Facebook for a regular update.

Contributor: ACDelco’s Daily TAC Tip comes from the team at ACDelco’s Technical Assistance Centre.


Aug 31 2016 
Thanks to our program member in: Kingston Area  
Vehicle: 2007 Chevrolet Uplander 3.9 L   
Condition: no cold air High 400 PSI Low 20 PSI 
The technician replaced the expansion valve to resolve the problem  

Aug 30 2016
Thanks to our program member in: Kingston ON
Vehicle: 2012 Dodge Grand Caravan 3.6 L Code P0335
Condition: Long crank, misfire hot, no crank sensor signal
The technician replaced the crank sensor and the sensor pig-tail
The technician installed the pig-tail and there was no crank signal
The technician compared the connector pin-out with an OEM connector and the problem was solved

Aug 29 2016
Thanks to our program member in: Kelowna BC
Vehicle: 2006 Ford F350 6.0 L  
Condition: Crank over no start, Tech replaced the high pressure oil pump for gasket found in the IPR
Part replaced IPR ICP FICM Crank sensor,
Tech was not able to perform a BUSS test as per the flow chart, no power at the FICM
Tech found a deffective FICM relay 

Aug 26 2016
Thanks to our program member in: Stratford PEI
Vehicle: 2007 BMW 328i 3.0 L  
Condition: Loss of APP operation Code 5DC6
The technician replaced all speed sensors to resolve the problem

Aug 25 2016 
Thanks to our program member in: Sudbury ON
Vehicle: 2009 E350 6.0 L Cutaway   
Condition: Crank over, no start ICP 260 PSI IPR 84% 
The technician replaced the high pressure oil pump 

Aug 24 2016
Thanks to our program member in: Gatineau QC
Vehicle: 2003 Cadillac CTS 3.2 L  
Condition: Can’t shift out of park, removed the ignition key Code U1300, U1000, P1626
The technician replaced the DIM and the ECM to solve the problem. 

Aug 23 2016
Thanks to our program member in: GTA ON
Vehicle: 2005 GMC Savana G2500 6.0L  
Condition: Will crank only for a few seconds
The technician replaced the ignition switch and the switch wiring harness.

Aug 22 2016
Thanks to our program member in: Montreal QC
Vehicle: 2008 Ram 1500 4WD  
Condition: 4WD was coming out of low gear Code B162C, B210F, B1213, B168F, B1421, B1634 all code are related to the TIPM
The technician replaced the TIPM.

Aug 19 2016
Thanks to our program member in: Sudbury ON 
Vehicle: 2006 Chev Silverado 1500 4.8 L 
Condition: Vehicle came in with low brake pedal, brake line was replaced.
The technician replaced the master cylinder, bled the system, no pressure to the rear but no air
He performed a brake service. Technician replaced the master cylinder a second time and the problem was resolved

Aug 18 2016
Thanks to our program member in: GTA ON
Vehicle: 2006 Chev Impala 3.5 L
Condition: Check Engine light on Code P0621 Generator L-Terminal circuit
Tech was able to duplicate the problem, with the scan tool and the generator was not charging, the PID L terminal was saying incomplete, the technician replaced the alternator

Aug 17 2016
Thanks to our program member in: Richmond Hill, ON
Vehicle: 2011 Ford F550 6.7 L 
Condition: Check engine light on code P0133 P2A00 P164A Black smoke
The technician performed TSB 15-0042

Aug 16 2016
Thanks to our program member in: Mount Pearl NL
Vehicle: 2007 Chev Tahoe 5.3 L
Condition: Power lift gate inoperative, no power at fuse 44
Tech replaced the under hood fuse box

Aug 15 2016
Thanks to our program member in: Mississauga ON
Vehicle: 2008 Mercedes-Benz ML320 3.0 L Turbo Diesel 
Condition: Code B1006 in the Comfort AAC Pushbutton Control Module
Tech was able to activate the A/C compressor with the Auto Logic scan tool
Tech replaced the A/C compressor assembly to resolve the problem

Aug 12 2016 
Thanks to our member in: Courcelle QC 
Vehicle: 2006 Saturn Ion 2.2 L  
Condition: Vehicle was boost incorrectly code B1384, Device Ignition Accessory circuit open 
Tech replace and reprogram the BCM, new code B1001, ID in the BCM is different than the ID in the air bag module
Tech called TISIIWEB and there was a special software for this code 

Aug 11 2016 
Thanks to our program member in: Chemainus BC
Vehicle: 2005 Toyota Tacoma 4WD
Condition: 4WD light is flashing in the dash 
Tech was able to duplicate the problem
Tech performed the flow chart and replaced the selection switch 

Aug 10 2016 
Thanks to our program member in: Oshawa ON
Vehicle: 2006 Honda Civic 1.8 L V-TEC engine 
Condition: Check engine light on, Code P2647 VTEC stuck on 
Tech was able to duplicate the problem
Checked the solenoid screen and replaced solenoid 

Aug 9, 2016 
Thanks to our program member in: Welland ON 
Vehicle: 2006 GMC Sierra 4.8 L 
Condition: No Spark but got a crank and injector pulse signal 
Tech was able to duplicate the problem
Tech loaded the ground and found a poor ground at G102 

Aug 8, 2016 
Thanks to our program member in: Mississauga ON 
Vehicle: 2009 Toyota Corolla 1.8 L 
Condition: Engine noise on start-up hot or cold for a few second 
Tech was able to duplicate the problem
Check TSB 0087-09 REV 2 Up-date parts 

Aug 5, 2016 
Thanks to our program member in: Boisbriand QC
Vehicle: 2008 Ford Fusion 2.3 L 
Condition: Erratic output shaft speed sensor No Code 
Tech was able to duplicate the problem when cold only between 0 and 40 km/hr. With the oscilloscope at the output speed sensor, there was not variation in the sensor signal. With the scan tool the output speed sensor variation was from 100 to 400 RPM. Tech cleaned the C134 connector and the problem was resolved 

Aug 4 2016 
Thanks to our program member in: Sarnia ON  
Vehicle 2007: Chrysler PT Cruiser 2.4 L 
Condition:  Engine will not crank and starter relay click Code P127A High resistance 
Tech was able to duplicate the problem, tech tried another relay without any positive results. Suggested to remove the TIPM and to check for  a bad connection or corroded terminal. The problem was resolved.

Aug 3 2016 
Thanks to our program member in: Stratford PEI 
Vehicle: 2003 Mitsubishi Eclipse GT 3.0 L 
Condition: No forward or reverse gear, the oil level is ok and fluid is in good condition 
Disconnected the wiring harness at the transmission should have a reverse and 3 gear. Replaced the transmission if there is no movement.

Aug 2, 2016 
Thanks to our program member in: Jonquiere QC 
Vehicle: 2013 Chevrolet Express Van Ambulance 
Condition: Reduce Power Code P249D 
Tech repaired and cleared the code but still in reduced mode and was not able to perform a regeneration. Sent vehicle to a GM dealership to have the ECM reflash. Ambulance vehicle had a SPECIAL program to prevent reduced power 

TAC Information

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

It pays to get it done right, and fast - the first time!
That’s the objective for all of our ACDelco Technical Assistance Centre licensed technicians. To get your problem diagnosis dealt with quickly and correctly…and of course, to just be there to listen.

ACDelco Technical Assistance Centre – Diagnostic Hotline
Live Technical support via phone – available 60 hours a week!
New Rates per call! Contact the ACDelco Info-Line for further details. 1-800-263-3526

The ACDelco TAC line is fully staffed with multi-lingual technicians Monday – Friday from 8am-6pm EST, ensuring they are available to take your call (or fax, or email). English and French, our qualified TAC agents will be ready to answer your questions.

The TAC line uses the most advanced technology and current repair databases, in addition to detailed case information and data mining. Our agents have full access to common failure causes and repair procedures databases. Access to these cases can help solve the most complex requests.

Our TAC Specialists
ACDelco’s TAC line has master technicians supporting Domestic, European and Asian import vehicles. Agents have an impressive 50 years combined hands on experience and over 29 years of TAC work. The breadth of experience includes:

  • Working directly with 12 vehicle manufacturers and four aftermarket suppliers
  • 13 years of in class training delivery
  • 22 years of exotic vehicle experience
  • 7 years field experience
  • 10 years working through warranty issue mitigation
  • Auto body and collision repair
  • Heavy-duty and military powertrain experience. 

Systems Support
ACDelco’s TAC agents have a lengthy list of technical resources and databases to support your complex questions. This includes factory OE information, as well as internal technical experts, field engineers, product specialists, and technical writers for several OEM's.

Resource databases include all major all makes manufacturers. Additional repair databases include Alldata, IATN, Mitchell1, Automotive Service Profession, eSI and more.
Access to Service Technical Specialists include the following manufactures: GM, Mercedes Benz, VW, Audi, Ford, Lincoln, Mercury, Chrysler, BMW, Volvo, Honda, Nissan, SAAB, Toyota, Hyundai, & KIA.

TAC Specialists

Agent: Jean Thibert
“If you don’t do any training, you will be obsolete in 8 years”.
Jean Thibert is a certified class A mechanic, with experience in the Ontario Department of Labour.  He has an Inter-provincial Seal and an additional 8 years of experience as a Technical Consultant Specialist at a number of vehicle manufacturer head offices including Toyota, Mazda, Chrysler/Dodge and Suzuki. He is also a certified EEC IV & EEC V technician from Ford with an Advanced Engine Performance Diagnosis qualification for the 7.3 L DIT & 6.0 L DIT.  Prior to some of this Ontario experience, he earned over 10 years of experience working in Alberta at a Ford dealership, focusing on Diesel engines.

Jean’s passion for repairs started early when he started helping his father repair and maintain his farm equipment.  He made a decision to pursue being a technician and entered a trade school after hearing some wise words from his high school teacher who said:  “If you don’t do any training, you will be obsolete in 8 years”.  These words stuck with Jean and throughout the years he has continued to learn about new vehicle technology, taking evening Electronic Courses at Algonquin College in addition to the additional online courses and in class courses offered through his work experience as well as other all makes focuses, such as some specific gas and diesel engine diagnostic repairs for Chryslers.