# Service bulletin PI1802YZ\_TSB

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: 10173256
- Published by NHTSA: 2020\-04\-07
- Manufacturer's number: PI1802YZ\_TSB
- Manufacturer's date: 2020\-03\-17
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

PRODUCT IMPROVEMENT CAMPAIGN: TSB \- ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 \(PI1802Y/Z\) \- This bulletin has been revised to include additional information. This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 \(PI1802 Rev 10, 03/16/2020\) titled Knock Sensor Detection System \- ECU Logic Improvement. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below return to the dealer with Diagnostic Trouble Code \(DTC\) P1326 \(Knock Signal Range/Performance\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173256-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173256-9999.pdf)

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

## Components

Engine, Cooling system

## Trouble codes named

P1326

## Vehicles listed

- 2014 to 2018 KIA OPTIMA
- 2015 to 2018 KIA SORENTO
- 2014 to 2018 KIA SPORTAGE

## Other bulletins for the same vehicles and component

- [TSB\-BOD164](/bulletins/10109881.md), 2017-08-02, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; VISIBILITY:SUN/MOON ROOF ASSEMBLY. TSB: SERVICE ACTION: PANORAMIC SUNROOF INSPECTION AND REPAIR \(SA270\) \- This bulletin provides information on some 2016MY Optima \(JFa\) vehicles, produced from September 28, 2015 to August 8, 2016, which may exhibit a buzzing noise that may increase with intensity in conjunction with the HVAC fan speed, a popping or clicking noise when driving over bumps or turning, and/or a loose folding cover, depending on the vehicle production date. For details regarding each type of inspection/repair, refer to its respective section below. Before conducting the procedure, verify that the vehicle is included in the list of affected VINs.
- [TSBCLI027](/bulletins/10089782.md), 2017-01-27, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. TSB: SERVICE ACTION: A/C SUCTION HOSE/PIPE INSPECTION AND/OR MODIFICATION \(SA183\) \- THIS BULLETIN PROVIDES THE PROCEDURE TO INSPECT AND, IF NECESSARY, CORRECT THE ROUTING FOR THE A/C SUCTION HOSE/PIPE ON SOME 2016MY SORENTO \(UMA\) VEHICLES, PRODUCED FROM OCTOBER 27, 2014 THROUGH FEBRUARY 9, 2015, TO PREVENT POSSIBLE CONTACT BETWEEN THE A/C SUCTION HOSE/PIPE AND THE COMPRESSOR PULLEY. TO CORRECT AND/OR PREVENT THIS CONDITION, FOLLOW THE PROCEDURE OUTLINED IN THIS BULLETIN. KIA IS REQUESTING THE COMPLETION OF THIS SERVICE ACTION ON ALL AFFECTED VEHICLES, INCLUDING DEALER STOCK, PRIOR TO DELIVERY. BEFORE CONDUCTING THE PROCEDURE, VERIFY THE VEHICLE IS INCLUDED IN THE LIST OF AFFECTED VINS.

JSON: [/v1/bulletins/10173256](/v1/bulletins/10173256)

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