Body Harness-to-Fuel Tank Damage

Some 2017-2020 Camaro SS 1LE (RPO A1Y) and Camaro ZL1 models and 2018-2020 Camaro ZL1 1LE (RPO A1Z) models may have an extended engine crank or reduce power condition along with an illuminated Check Engine lamp.

If these conditions are found, inspect the left rear wheelhouse liner for a rub-through condition (Fig. 16) due to incorrect tire size, which may result in a damaged body-to-fuel pump harness. (Fig. 17)

Fig. 16

If the concern is caused by a rub-through condition and the vehicle is not equipped with the original equipment (OE) tires, advise the customer of the importance to use the same tire size and manufacturer with which the vehicle was originally equipped. The repair is not covered as a warranty claim.

TIP: The same tire size, but from a different manufacturer, could result in a difference of up to 10 mm in actual tire size.

If the concern is caused by a rub-through condition and the vehicle is equipped with the OE tires, repair the harness and submit a field product report, including photos and tire information.

Fig. 17

For additional information, refer to Bulletin #20-NA-104.

– Thanks to Ann Briedis

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