# Service bulletin 16\-NA\-284

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: 10118931
- Published by NHTSA: 2017\-10\-15
- Manufacturer's number: 16\-NA\-284
- Manufacturer's date: 2016\-09\-06
- NHTSA component: ELECTRICAL SYSTEM:STARTER ASSEMBLY

## NHTSA's summary

This technical bulletin provides a procedure to reprogram the ECM to correct the condition of a rough idle/stalling on first start, then engine runs smooth after second start.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10118931-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10118931-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Starter

## Vehicles listed

- 2015 to 2016 CHEVROLET COLORADO
- 2015 to 2016 GMC CANYON

## Other bulletins for the same vehicles and component

- [PIT5423A](/bulletins/10248453.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. Intermittent No Crank.
- [18029](/bulletins/10143751.md), 2018-08-20, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. 18029 \- Special Coverage. Certain vehicles listed above, may have an inoperative purge solenoid that could lead to excessive fuel vapors entering the combustion chamber from the fuel tank. This condition could result in no start, idle stall, and possible drivability issues such as hesitation. The driver may see a check engine light, and may notice a ticking noise, and variation in idle speed. The driver may experience this condition most immediately after filling up the vehicle with gas or while coming to a stop. This special coverage covers the condition described above for a period of 10 years or 120,000 miles \(193,000 km\), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Dealers are to inspect for a leak in the solenoid assembly and replace if necessary. The repairs will be made at no charge to the customer.
- [PIP4112Q](/bulletins/10127199.md), 2018-01-22, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
- [08\-07\-30\-026C](/bulletins/10112779.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are necessary

JSON: [/v1/bulletins/10118931](/v1/bulletins/10118931)

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