# Service bulletin 18078 A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned. - Type: Service bulletin - NHTSA id: 10139296 - Published by NHTSA: 2018\-06\-04 - Manufacturer's number: 18078 - Manufacturer's date: 2018\-03\-23 - NHTSA component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL ## NHTSA's summary 18078 \- Service Update. Certain vehicles equipped with a tow/haul mode activation ?On? calibration \(RPO 5G8\) that recently had service repairs for either; \#18\-NA\-005: Diagnostic Tip for Instrument Panel Cluster \(IPC\) Low Washer Indicator Not Setting a Warning When Empty \- \(Jan 16, 2018\) or \#17466: Service Update \- Timing Belt Message Displayed at 100,000 Miles \(160,000 KM\), Not 150,000 Miles \(240,000 KM\) Per Specifications \- \(Jan 17, 2018\), may have received an incorrect instrument panel cluster \(IPC\) XML file resulting in the tow/haul mode telltale display to not illuminate when it is on. This does not apply to any vehicles reprogrammed on or after March 20, 2018. Dealers are to reprogram the IPC. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10139296-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10139296-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system, Instrument cluster ## Vehicles listed - 2018 CHEVROLET COLORADO - 2018 GMC CANYON ## Other bulletins for the same vehicles and component - [07\-08\-49\-020R](/bulletins/10244214.md), 2023-10-18, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. This informational bulletin provides information for the IPC odometer programming method quick reference guide. - [22\-NA\-171](/bulletins/10231421.md), 2023-02-07, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING. This service bulletin provides service information to correct a customer concern of Malfunction Indicator Lamp \(MIL\) Illuminated on Driver Information Center \(DIC\) with DTCs P0171, P0174 Set. - [070849020M](/bulletins/10190320.md), 2021-04-16, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. IPC Odometer Programming Method Quick Reference Guide - [17\-NA\-337](/bulletins/10190318.md), 2021-04-15, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. All or Some Options May Be Missing from Driver Information Center \(DIC\) “Info Pages” Menu Due to Them Not Being Selected Condition Some customers may comment that with the “Info” option selected from the main menu \(1\), the “Info Pages” are blank \(2\) when scrolling up and down. If information is present when scrolling up and down, they may also comment that certain items are missing when compared to other like vehicles Cause This condition may be caused when all/some of the options not being selected in the “active info pages” menu. Correction If this concern is encountered, determine if all/any of the selections in the “active info pages” menu are not selected. To do this, follow the steps listed below. - [060089029T](/bulletins/10176647.md), 2020-06-22, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning \- Instrument Panel \(IP\), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer \- Product Availability. - [060089029S](/bulletins/10176646.md), 2020-06-22, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning \- Instrument Panel \(IP\), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer \- Product Availability. - [PIT5668B](/bulletins/10165897.md), 2019-10-15, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This preliminary information is to clarify a normal fluctuation of the temperature gauge. - [PIT5668A](/bulletins/10160695.md), 2019-06-03, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This preliminary information is to clarify a normal fluctuation of the temperature gauge. - [PIC6333A](/bulletins/10143422.md), 2018-08-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates that acustomer may complain of the Driver Information Center\(DIC\) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. This may be caused by a software concern in the Instrument panel Cluster\(IPC\). The dealer is instructed that engineering is working on a resolution to this concern and when it is available a bulletin will be published to inform the dealer of the repair. The dealer is instructed to advise the customer that until a repair is available for this concern changing the station/source or waiting until the song ends should recover the screen. - [18NA005](/bulletins/10137435.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information for new software available to correct the instrument panel cluster \(IPC\) low washer indicator for not sending a warning when empty. 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