https://github.com/Koenkk/zigbee2mqtt/issues/14571

TS0601_gas_sensor.js

const fz = require('zigbee-herdsman-converters/converters/fromZigbee');
const tz = require('zigbee-herdsman-converters/converters/toZigbee');
const exposes = require('zigbee-herdsman-converters/lib/exposes');
const reporting = require('zigbee-herdsman-converters/lib/reporting');
const extend = require('zigbee-herdsman-converters/lib/extend');
const ota = require('zigbee-herdsman-converters/lib/ota');
const tuya = require('zigbee-herdsman-converters/lib/tuya');
const utils = require('zigbee-herdsman-converters/lib/utils');
const e = exposes.presets;
const ea = exposes.access;

const definition =     {
    fingerprint: tuya.fingerprint('TS0601', ['_TZE200_yojqa8xn']),
    model: 'TS0601_gas_sensor',
    vendor: 'TuYa',
    description: 'Gas sensor',
    fromZigbee: [tuya.fzDataPoints],
    toZigbee: [tuya.tzDataPoints],
    configure: tuya.configureMagicPacket,
    exposes: [e.gas()],
    meta: {
        tuyaDatapoints: [
            [1, 'gas', tuya.valueConverter.true0ElseFalse],
            [2, 'detected_gas', tuya.valueConverter.raw],
            [6, 'alarm_ringtone', tuya.valueConverter.raw],
            [7, 'alarm_time', tuya.valueConverter.raw],
            [8, 'auto_detect', tuya.valueConverter.raw],
            [9, 'auto_detect_result', tuya.valueConverter.raw],
            [11, 'preheat', tuya.valueConverter.raw],
        ],
    },
};

module.exports = definition;

I've created the pr, please check the comments: Koenkk/zigbee-herdsman-converters#5065