2020 Corvette: Service Bulletin: #20-NA-042: Fuel Gauge May Intermittently Display Erratic and/or Empty Readings, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0462 Set


#20-NA-042: Fuel Gauge May Intermittently Display Erratic and/or Empty Readings, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0462 Set - (Oct 19, 2020)

Subject Fuel Gauge May Intermittently Display Erratic and/or Empty Readings, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0462 Set  

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Chevrolet

Corvette

2020

2020

SOP

L5100151

6.2L (RPO LT2)

 

Involved Region or Country

North America, Middle East

Condition

Some customers may comment on one or more of the following conditions:

  • Fuel gauge intermittently displays erratic and/or empty readings
  • MIL illuminated

Some technicians may find DTC P0462 (Fuel Level Sensor 1 Circuit Low Voltage) displayed in the Engine Control Module (ECM).

Cause

This condition may be caused by erratic fuel value readings sent from the left fuel tank level sensor.

Correction

If the customer concern has been verified, replace the left side fuel tank level sensor.

Service Procedure

Refer to Fuel Level Sensor Replacement in SI.

Parts Information

Causal Part

Description

Part Number

Qty

X

SENSOR KIT, FUEL LVL

84745186

1

Version

2

Modified

Released March 09, 2020

October 19, 2020 – Added a VIN breakpoint and changed the Warranty Information.

 



Article ID: 1462
Created: October 20, 2020
Last Updated: October 20, 2020

Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/2020-corvette-service-bulletin-20-na-042-fuel-gauge-may-intermittently-display-erratic-and-or-empty-readings-malfunction-indicator-lamp-mil-illuminated-dtc-p0462-set-1462.html