NHTSA ID Number: 10149051
Manufacturer Communication Number: PIP5159C
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 – P0308 may set. Technician will inspect for lose sparkplug wire. If a spark plug wire is found lose check for a missing ?C? clip on the wire end for the ignition coil. If the clip is missing replace the wire.
Condition / Concern
SES lamp on, DTC P0300 – P0308 may set, inspect for a possible loose sparkplug wire at the ignition coil.
44 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
CADILLAC | CTS | 2017 |
| CADILLAC | CTS-V | 2016, 2018 |
| CADILLAC | ESCALADE | 2015-2019 |
| CHEVROLET | CAMARO | 2016-2019 |
| CHEVROLET | CORVETTE | 2016-2019 |
| CHEVROLET | SILVERADO | 2017 |
| CHEVROLET | SILVERADO 1500 | 2014, 2019 |
| CHEVROLET | SILVERADO 2500 | 2015-2016, 2018 |
| CHEVROLET | SUBURBAN | 2015-2019 |
| CHEVROLET | TAHOE | 2015-2019 |
| GMC | SIERRA | 2017 |
| GMC | SIERRA 1500 | 2014-2016, 2019 |
| GMC | SIERRA 3500 | 2018 |
| GMC | YUKON | 2015-2018 |
| GMC | YUKON DENALI | 2019 |
| GMC | YUKON XL | 2019 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5159C
Published date: 10/29/2018
MC-10149051-9999.pdf 379.902KB
NHTSA ID Number: 10099466
Manufacturer Communication Number: PIP5159B
Summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODE P0300 – P0308 MAY SET. TECHNICIAN WILL INSPECT FOR LOSE SPARKPLUG WIRE. IF A SPARK PLUG WIRE IS FOUND LOSE CHECK FOR A MISSING “C” CLIP ON THE WIRE END FOR THE IGNITION COIL. IF THE CLIP IS MISSING REPLACE THE WIRE.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5159B
Date: Sep-2016
NHTSA ID Number: 10114381
Manufacturer Communication Number: PIP5159A
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 – P0308 may set. Technician will inspect for lose sparkplug wire. If a spark plug wire is found lose check for a missing “C” clip on the wire end for the ignition coil. If the clip is missing replace the wire.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5159A
Date: Feb-2015
MC-10114381-9999.pdf 212.974KB
NHTSA ID Number: 10063003
Manufacturer Communication Number: PIP5159
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIP5159
Date: October, 2013
SB-10063003-2273.pdf 218.855KB
- Scope of application: The spark plug tester is universal and suitable for testing and troubleshooting small or large internal/external engines such as engines, trucks, automobiles, lawn mowers, marine engines and motorcycles. It is the preferred product in any personal or professional machinery store or automobile garage.
- About use: Just connect the tester between the spark plug and the spark plug wire, and it takes about 30 seconds for the internal combustion engine to troubleshoot. If the engine can emit spark, the tester bulb reflects the spark and lights up, so as to quickly find the fault point and bad circuit of the spark plug.
- Excellent material selection: It adopts excellent rubber and metal, high-temperature resistant wire and environmental friendly acetate plastic. It works in high and low temperature environment without impact and is durable.
- Product size: 2.28 inch metal interface, 4.44 inch shaft/lamp housing, 6.53 inch sheath/cable; The internal bulb lasts for several years and is replaced by a transparent housing.
- Service: If you have any questions about the product, please contact us in time, and we will provide you with satisfactory solutions.
- Engine Spark Plug Tester: Spark plug ignition tester can quickly diagnose ignition and engine problems and defects, troubleshooting spark plug connections, contact points, damaged cables wait. This is a practical diagnostic tool for any engine with spark plugs
- How to Use: Connect the black skin of the tester to the spark plug and the metal end of the tester to the spark plug coil. After starting the engine, if the ignition circuit has been completed, spark tester automotive light will flash
- Materials: The probe of this spark tester is made of plated shaft, the optical housing is made of friendly plastic, and rubber straight jacket and cable. Spark plug tester for small engines will not easily rust and corrode during use
- Wide Application: The inline spark plug tester is a must have diagnostic tool for any engine with a spark plug, it fit for all internal and external combustion engines, cars, trucks, motorcycles, chainsaws, trimmers, snow-blowers, generators engines etc
- Package Includes: 2 x inline spark plug testers. If test results are inaccurate or hard to read under bright lighting, please retry the test in a dimmer environment
- Gives a Visual Check of the Ignition System.
- Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire.
- The tool is double-ended to offer a straight boot and a 90boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.
- Connect the tool between the spark plug and the plug wire
- The short wire is double ended to offer a straight boot and a 90-degree boot on one tool.
- With the engine running, the tool flashes a mirror image of the ignition spark.
- Quickly diagnose problems with all ignition systems
- DUAL SPARK PLUG COMPARISON FOR FASTER IGNITION DIAGNOSIS – Compare two spark plugs side by side under identical test conditions to quickly identify weak or inconsistent ignition performance. The SP02 helps users visually check spark strength differences in real time, making it easier to isolate faulty plugs and support faster, more confident ignition system troubleshooting
- REDUCE GUESSWORK BEFORE REPLACING PARTS – Designed for diagnosing misfires, hard starting, rough idle, and weak combustion issues. Instead of replacing parts blindly, users can test spark performance first to confirm condition, helping reduce unnecessary repairs and improve maintenance accuracy for gasoline engines and small equipment
- ADJUSTABLE RPM SIMULATION FOR REAL-WORLD TESTING – Built-in control knob allows simulation from 0–6000 RPM, enabling spark observation under different operating conditions. This helps users evaluate ignition stability at low, medium, and high engine speeds for a more realistic diagnostic experience in workshop or garage environments
- WIDE COMPATIBILITY FOR 12V GASOLINE ENGINES – Works with most 12V gasoline-powered systems including cars, motorcycles, ATVs, lawn equipment, generators, and small marine engines. Supports spark plugs with 33–43 mm length and insulator diameter under 12.2 mm. Always verify dimensions before use to ensure proper fit and stable testing
- COMPACT, SAFE & WORKSHOP-READY DESIGN – Durable housing with a transparent protective viewing cover allows clear observation of spark activity while helping reduce exposure during operation. Lightweight and portable design makes it suitable for garage, workshop, and home use, with easy storage and quick setup for routine diagnostics
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Bulletin No.: PIP5159C Published date: 10/29/2018 Preliminary Information PIP5159C Engine Misfire May Be Due To Loose Spark Plug Wires Models Brand: Cadillac Cadillac Chevrolet Model: CTS-V Escalade Camaro Model Years: 2016 – 2019 2015 – 2019 2016 – 2019 VIN: from to All All All All All All 6.2L LT4 6.2L L86 6.2L LT1 LT4 Engine: Transmissions: All All All Chevrolet Chevrolet Chevrolet Chevrolet GMC GMC Corvette Silverado Suburban Tahoe Sierra Yukon 2016 – 2019 2014 – 2019 2015 – 2019 2015 – 2019 2014 – 2019 2015 – 2019 All All All All All All All All All All All All 6.2L LT1 LT4 LT5 4.3L, 5.3L, 6.2L LV3 L83 L86 5.3L, 6.2L L83 L86 5.3L, 6.2L L83 L86 4.3L, 5.3L, 6.2L LV3 L83 L86 5.3L, 6.2L L83 L86 All All All All All All Supersession Statement This PI was superseded to update Model Years. Please discard PIP5159B. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition / Concern SES lamp on, DTC P0300 – P0308 may set, inspect for a possible loose sparkplug wire at the ignition coil. Recommendations / Instructions If a loose sparkplug wire is found, inspect for missing “C” clip on wire end that connects to the ignition coil. Replace the sparkplug wire if you find the “C” clip missing or damaged. If this concern is not found reconnect the sparkplug wire to the ignition coil. 1. Shows a good sparkplug wire. 2. Shows the wire with the C clip missing. Warranty Information For vehicles repaired under warranty, use: Labor Operation Description Labor Time 4020050 Spark Plug Wire Replacement Use Published Labor Operation Time Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
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