# Service bulletin ZHA\_Toyota POL18

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: 10131711
- Published by NHTSA: 2018\-04\-02
- Manufacturer's number: ZHA\_Toyota POL18
- Manufacturer's date: 2018\-01\-11
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Warranty Policy Bulletin: Toyota has received reports in which customers have indicated that there is an illumination of the check engine light \(Malfunction Indicator Light\). This condition can be due to moisture/water in the Air Injection Pumps and/or Air Switching Valves.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10131711-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10131711-0001.pdf)

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

## Components

Engine

## Vehicles listed

- 2012 TOYOTA TACOMA

## Other bulletins for the same vehicles and component

- [T\-SB\-0103\-20 Rev1](/bulletins/11005119.md), 2024-07-23, Service bulletin: ENGINE. This Service Bulletin provides updated non\-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- [T\-SB\-0103\-20 Rev1](/bulletins/11005061.md), 2024-07-23, Service bulletin: ENGINE. This Service Bulletin provides updated non\-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- [T\-PANT\-2024\-004\-](/bulletins/10253223.md), 2024-04-15, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care \(TCMC\) website.
- [20TC01 renotific](/bulletins/10206536.md), 2022-01-18, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Renotification Postcard: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light \(Malfunction Indicator Light\).
- [T\-TT\-0628\-20](/bulletins/10183281.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. TT: HVAC drain tube is found to be blocked/clogged.
- [T\-TT\-0468\-17 Rev](/bulletins/10178524.md), 2020-08-17, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. TT: HVAC drain tube is found to be blocked/clogged.
- [Special Service](/bulletins/10176701.md), 2020-06-22, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. DL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light \(Malfunction Indicator Light\).
- [20TC01 \- Region](/bulletins/10176700.md), 2020-06-22, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. RL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light \(Malfunction Indicator Light\).
- [20TC01 \- Dealer](/bulletins/10176699.md), 2020-06-22, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. DL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light \(Malfunction Indicator Light\).
- [Special Service](/bulletins/10176698.md), 2020-06-22, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. RL: There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light \(Malfunction Indicator Light\).

JSON: [/v1/bulletins/10131711](/v1/bulletins/10131711)

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