# P1326 on the 2020 Hyundai Tucson

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P1326

- [11037434](https://open.wenmarpro.com/bulletins/11037434), 2026-09-22: Some Tucson \(TL\) vehicles equipped with a 2.0L engine may exhibit a continued DTC P132600 after an ECM logic update has been performed per TSB 24\-01\-068H, Engine Monitoring Logic \(Service Campaign 966\). This bulletin provides instructions to inspect and resolve other engine mechanical issues and if DTC P132600 remains, then a procedure and manual mode passwords are given to perform the update again in manual mode to resolve this condition.
- [11030331](https://open.wenmarpro.com/bulletins/11030331), 2026-03-31: This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22\-01\-023H\-2 \(DTC P1326 – Engine Bearing Inspection/Engine Replacement\) or the latest version.
- [11030330](https://open.wenmarpro.com/bulletins/11030330), 2026-03-30: This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22\-01\-023H \(DTC P1326 – Engine Bearing Inspection/Engine Replacement\) or the latest version.
- [11006829](https://open.wenmarpro.com/bulletins/11006829), 2024-09-03: Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp \(MIL\) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800\-2000 RPM.
- [10252363](https://open.wenmarpro.com/bulletins/10252363), 2024-04-02: Certain 2016\-2021MY Tucson \(TL\) 2.0L vehicles may experience continued DTC P1326 after the ECU update has been performed per TSB 22\-01\-028H\-1 \(or later\) “ENGINE MONITORING LOGIC \(SERVICE CAMPAIGN 966\)”.
- [10227320](https://open.wenmarpro.com/bulletins/10227320), 2022-12-07: Certain vehicles may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit abnormal noise, or no crank/no start condition related to connecting rod bearing wear or damage. This Dealer Best Practice outlines the service process to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results, as well as related warranty coverage for the conditions outlined above.
- [10227317](https://open.wenmarpro.com/bulletins/10227317), 2022-12-07: Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or damage. Follow the procedure to inspect the vehicle and replace the engine and/or update the engine ECU software \(if new ROM is available\) based on the inspection results.
- [10211667](https://open.wenmarpro.com/bulletins/10211667), 2022-05-10: Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp \(MIL\) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800\-2000 RPM.
- [10211666](https://open.wenmarpro.com/bulletins/10211666), 2022-05-10: Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or damage. Follow the procedure to inspect the vehicle and replace the engine and/or update the engine ECU software \(if new ROM is available\) based on the inspection results.
- [10211664](https://open.wenmarpro.com/bulletins/10211664), 2022-05-10: Hyundai is conducting a service campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp \(MIL\) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800\-2000 RPM.