Technical Service Bulletins (TSB)

BUICK — LACROSSE (2014–2016) — 3 vehicle combinations

356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary Information communication provides information to the technician about vehicles that may have a touch screen selection will highlight when selected but the function does not respond intermittently. General Motors has identi

View Full Details

BUICK — ATS, CORVETTE, CTS, ELR, ESCALADE, ESCALADE ESV, IMPALA, LACROSSE, REGAL, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SRX, SUBURBAN, TAHOE, XTS, YUKON, YUKON XL (2013–2015) — 23 vehicle combinations

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary Information communication provides information to the technician about vehicles that when shutting the vehicle off when the radio is turned off prior, the radio will turn back on in the muted condition on the next key cycle

View Full Details

BUICK — 9-7X, ACADIA, ASTRA, ASTRO, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BONNEVILLE, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CAVALIER, CENTURY, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAFARI, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2016) — 625 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

View Full Details

BUICK — 3500, 9-3, 9-5, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, OUTLOOK, PURSUIT, REGAL, RELAY, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2008–2016) — 450 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).

View Full Details

BUICK — CANYON, COLORADO, CORVETTE, CTS, ENCORE, ESCALADE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, XTS, YUKON (2015) — 28 vehicle combinations

110000 ELECTRICAL SYSTEM

15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar? to update the software for the Electronic Climate Control (ECC) system. This over-the-air update is being pilote

View Full Details

BUICK — ACADIA, ENCLAVE, OUTLOOK, TRAVERSE (2007–2012) — 38 vehicle combinations

010000 STEERING

This preliminary informational bulletin provides technicians diagnostic and repair information for GM recommending that the fluid be changed to DEXRONA?-VI automatic transmission fluid when a steering gear assembly is replaced for any reaso

View Full Details

BUICK — ACHIEVA, ALERO, ALERO EXPORT, ASTRO, AURORA, AVALANCHE 1500, AVALANCHE 2500, AZTEK, B6 MEDIUM DUTY, B7, B7 CHASSIS, B7 MEDIUM DUTY, BERETTA, BLAZER, BONNEVILLE, BRAVADA, BUS CHASSIS, CAMARO, CAPRICE, CATERA, CAVALIER, CENTURY, CHEVY VAN, CONVENTIONAL, CORSICA, CORVETTE, CREW CAB, CUTLASS, DEVILLE, ELDORADO, ENVOY, ESCALADE, EXPRESS, FIREBIRD, FLEETWOOD, G SERIES, G VAN, G VAN BUS, GM, GMC TRUCK, GRAND AM, GRAND PRIX, IMPALA, INTRIGUE, JIMMY, L SERIES, LESABRE, LUMINA, LUMINA APV, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTE CARLO, P, P SERIES, P3, P30 CHASSIS, PARK AVENUE, PICKUP, PRIZM, REGAL, RENDEZVOUS, RIVIERA, ROADMASTER, S/T PICKUP, S10, S10 PICKUP, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SILHOUETTE, SILVERADO 1500 HD, SILVERADO 2500 HD, SILVERADO 3500 HD, SKYLARK, SL, SONOMA, SUBURBAN, SUNFIRE, TAHOE, TRACKER, TRAILBLAZER, TRANS SPORT, V SERIES, VENTURE, W SERIES, W-SERIES, YUKON, YUKON DENALI, YUKON XL (1995–2002) — 854 vehicle combinations

353100 EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

This 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 ce

View Full Details

BUICK — 3500, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, GRAND PRIX, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, OUTLOOK, PURSUIT, REGAL, RELAY, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2008–2016) — 888 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.

View Full Details

BUICK — MALIBU, REGAL (2014–2015) — 8 vehicle combinations

110000 ELECTRICAL SYSTEM

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

View Full Details

BUICK — ENCORE, SONIC, SPARK, SPARK EV, TRAX (2015) — 10 vehicle combinations

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about a security code may be requested at the TECHLINE terminal. The security code is listed in Global Connect along with the Key code.

View Full Details

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, OUTLOOK, SRX, STS, TERRAIN, TRAVERSE, VUE, XTS (2008–2016) — 95 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicle that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to b

View Full Details

BUICK — LUCERNE (2009–2011) — 6 vehicle combinations

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

15272 - Emission Recall. Voluntary Emission Recall involving certain 2009-2011 model year Buick Lucerne vehicles equipped with a 3.9L engine (RPO LGD). The fuel control system may not adequately control carbon monoxide emissions under cert

View Full Details

BUICK — 9-3, 9-5, AURA, AVEO, CANYON, COLORADO, DTS, G6, GRAND PRIX, H2, H3, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, RELAY, TERRAZA, TRAILBLAZER, UPLANDER (2007–2011) — 72 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern in which certain vehicles equipped with Gen 7 and OnStar, a recent over-the-air service update may have caused the OnStar syste

View Full Details

BUICK — 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALERO EXPORT, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, B7 MEDIUM DUTY, BLAZER, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, EXPRESS 4500, F SERIES, FIREBIRD, G SERIES, G VAN BUS, G3, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB 3500, LUCERNE, LUMINA, LW200, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTE CARLO, OPTRA, ORLANDO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, S10, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKY, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, V SERIES, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, W SERIES C3 3500, W-SERIES, WAVE, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2016) — 1908 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont

View Full Details

BUICK — MALIBU, VERANO (2012–2016) — 18 vehicle combinations

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary Information communication provides information to the technician about vehicles that have driver and passenger temperatures settings are displayed in Celsius or the outside ambient temperature is missing from the radio / He

View Full Details

BUICK — 3500, 9-3, 9-5, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, OUTLOOK, PURSUIT, REGAL, RELAY, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2008–2016) — 902 vehicle combinations

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This informational bulletin provides information to dealership personnel on the use of non-GM approved battery chargers and booster packs.

View Full Details

BUICK — IMPALA, LACROSSE, MALIBU, REGAL (2012–2016) — 14 vehicle combinations

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This Preliminary Information communication advises the technician that the eAssist Drive Motor Generator Battery Powerpack has been place on parts restriction by General Motors Technical Assistance Center. Dealer will need to contact Genera

View Full Details

BUICK — 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALERO EXPORT, ASCENDER, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, B7 MEDIUM DUTY, BLAZER, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, EXPRESS 4500, F SERIES, FIREBIRD, G SERIES, G VAN BUS, G3, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, HOMBRE, I-290, I-350, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB 3500, LUCERNE, LUMINA, LW200, LW300, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTE CARLO, N300, OPTRA, ORLANDO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, RODEO, S10, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKY, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, TROOPER, UPLANDER, V SERIES, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, W SERIES C3 3500, W-SERIES, WAVE, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2016) — 1984 vehicle combinations

020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di

View Full Details

BUICK — ENCORE, SONIC, TRAX (2012–2015) — 10 vehicle combinations

030000 SERVICE BRAKES, HYDRAULIC

This Preliminary Information communication provides information to the technician about vehicles that had the Brake Pressure Modulator Valve now Diagnostic Trouble Code C0131 is set current. Technician should remove Brake Pressure Modulator

View Full Details

BUICK — ACADIA, ENCLAVE, TRAVERSE (2015) — 3 vehicle combinations

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This technical bulletin provides front console USB harness power supply update information to correct a customer concerns of USB port losing power with key OFF and/or USB music playlist restarts from the beginning after an ignition cycle.

View Full Details

BUICK — 3500, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, N300, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2016) — 513 vehicle combinations

110000 ELECTRICAL SYSTEM

This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not

View Full Details

BUICK — 9-3, 9-5, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, OUTLOOK, PURSUIT, REGAL, RELAY, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2008–2015) — 806 vehicle combinations

100000 POWER TRAIN

This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.

View Full Details

BUICK — CRUZE, ELR, ENCORE, SONIC, TRAX, VOLT (2011–2016) — 54 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that have a tick or squeak noise from the upper engine. Technician should check for loose or improperly torqued spark plugs before performing i

View Full Details

BUICK — AVEO, CAMARO, CAPRICE, CAPTIVA SPORT, CORVETTE, CRUZE, ENCORE, EQUINOX, MALIBU, ORLANDO, SS, STS, TERRAIN, VERANO, VOLT (2003–2016) — 33 vehicle combinations

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary Information communication provides information to the technician about vehicles that may have the radio display that will go blank and come back on after a few seconds then display may show the splash screen or come back on

View Full Details

BUICK — ACADIA, ATS, CAMARO, CANYON, CAPRICE, CAPTIVA, COLORADO, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, SRX, TERRAIN, TRAVERSE, XTS (2010–2016) — 170 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark

View Full Details