2026 Tiggo 4 HEV EVAP software recall: check the remedy before ordering a canister or solenoid valve

2026 Tiggo 4 HEV EVAP software recall: check the remedy before ordering a canister or solenoid valve

After receiving an EVAP recall notice, are you already asking suppliers about canisters and solenoid valves before the workshop visit? For the New Zealand 2026 model-year Tiggo 4 HEV, reading the prescribed action first helps arrange repairs and avoids a hardware order without diagnostic support.

The notice names a solenoid valve, but specifies a software update

New Zealand recall RCB-2605 states that some MY26 Tiggo 4 HEV vehicles may have incorrect software affecting correct operation of the EVAP system solenoid valve. The specified remedy is for an authorised Chery dealer to update the vehicle software using diagnostic equipment, restoring correct EVAP operation. [Recall text][P01]

A common purchasing mistake is to order a component as soon as its name appears. This notice names the solenoid valve but does not require blanket replacement of the valve or canister. Correcting control software and diagnosing a failed valve are separate matters.

Retain the recall and software details at workshop intake

A useful job record identifies the recall number, the dealer's eligibility check, any previous action and the remedy now arranged. If the vehicle also has a warning lamp or another reported symptom, record its timing, instrument message and diagnostic results separately.

Keep two questions distinct: whether this vehicle needs the software correction, and whether it has another problem requiring diagnosis. A warning lamp, no obvious change in behaviour or the owner's impression that it still drives normally cannot replace recall eligibility verification. Nor does this notice establish that every EVAP complaint only needs a software update.

When a hardware order becomes appropriate

If the workshop subsequently proposes a valve or canister replacement, the order should refer to separate diagnostic findings and the specific component identity, rather than merely saying “RCB-2605 work”. Retain the dealer's software work record to distinguish completed corrective action from later complaints.

The notice provides neither hardware failure tests nor a universal replacement list. It is not a guide to replacing the complete EVAP system.

Recall scope and verification

This article covers only New Zealand, MY26 Tiggo 4 HEV, RCB-2605. The database's general fields say MY2025—2026/Tiggo 4 Pro, but the defect text explicitly narrows the scope to some MY26 HEV vehicles. This article follows that narrower scope and does not extend it to MY25, petrol versions or other markets. [Scope][P01]

No public data were available in the record for the affected VIN list and endpoints, production period or applicable software version. Public data were also unavailable for EVAP repair parameters, fault and replacement criteria, OE numbers, separate parts availability or interchangeability. [To be verified] A New Zealand authorised dealer must verify recall eligibility. Check compatibility or interchangeability using the VIN and local factory parts catalogue.

For EVAP parts identification after workshop diagnosis, use the parts enquiry page.

[P01]: https://admin.fuelsaver.govt.nz/GetRecalls.aspx?mode=nzta