# Service bulletin 18NA270

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: 10156897
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: 18NA270
- Manufacturer's date: 2019\-02\-13
- NHTSA component: ELECTRICAL SYSTEM:WIRING; ENGINE

## NHTSA's summary

This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156897-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156897-9999.pdf)

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

## Components

Electrical system, Engine, Wiring and fuses

## Vehicles listed

- 2016 to 2019 CHEVROLET CAMARO

## Other bulletins for the same vehicles and component

- [PIC6421](/bulletins/10184117.md), 2020-12-14, Service bulletin: LATCHES/LOCKS/LINKAGES:HOOD:LATCH; ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:HOOD. This Preliminary information communicates that a dealer may order a replacement hood latch and find that it comes with a three wire connector where the vehicle originally had a two wire connector on the hood latch. The technician is instructed on how to properly wire the new hood latch to the vehicle.
- [17NA292](/bulletins/10159608.md), 2019-05-13, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
- [100089005G](/bulletins/10159575.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [100089005H](/bulletins/10154629.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [18258](/bulletins/10150650.md), 2018-12-10, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:WIRING; EQUIPMENT. 18258 \- Service Update. These vehicles were built without anti\-abrasion wrap on the engine wire harness designed to prevent potential wear\-through of the wire harness insulation over extended periods of time. If insulation wear\-through were to occur, damage to the harness wires may result. Damage to individual circuits may result in diagnostic trouble codes \(DTC?s\) being set. A service engine indicator may be displayed, and the engine may not start, run rough or run in reduced propulsion mode. Dealers will add an anti\-abrasion wrap and sleeve to area of contact.
- [18NA079](/bulletins/10137306.md), 2018-05-21, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:DOOR. This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.
- [10\-00\-89\-005E](/bulletins/10137237.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
- [17NA292](/bulletins/10134583.md), 2018-04-23, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
- [GCUS\-3\-771](/bulletins/10125991.md), 2017-12-22, Service bulletin: STRUCTURE; ELECTRICAL SYSTEM:WIRING. 35740 Service Update. Some vehicles were built without a thermal sleeve on the main body wire harness to forward lamp wire harness connector. Dealers will cover the forward lamp wire harness and connector with a heat resistant thermal wrap.
- [16\-NA\-302](/bulletins/10118948.md), 2017-10-15, Service bulletin: ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to install a new wiring harness bypass to correct the customers concern of the airbag lights flickering when the windshield wipers are activated.

JSON: [/v1/bulletins/10156897](/v1/bulletins/10156897)

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