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2020 Corvette: #PIP5733B: Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

#PIP5733B: Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History - (Aug 6, 2020)

Subject Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History  

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Cadillac

Escalade

2020-2021

All

All

6.2 L86 L87

All

Cadillac

CT5

2020

All

All

2.0L LSY

All

Chevrolet

Corvette

2020

All

All

6.2L LT2

All

Chevrolet

Equinox

2020-2021

All

All

1.5 LYX

All

Chevrolet

Malibu

2020-2021

All

All

1.5 LFV

All

Chevrolet

Silverado 1500 (New Model)

2019-2021

All

All

4.3 LV3 5.3 L82/L84 6.2 L87

All

Chevrolet

Silverado 2500/3500

2020-2021

All

All

6.6 L8T

All

Chevrolet

Suburban

2020-2021

All

All

5.3 L83 L84 6.2 L86 L87

All

Chevrolet

Tahoe

2020-2021

All

All

5.3 L83 L84 6.2 L86 L87

All

GMC

Sierra 1500

2019-2021

All

All

4.3 LV3 5.3 L82/L84 6.2 L87

All

GMC

Sierra 2500/3500

2020-2021

All

All

6.6 L8T

All

GMC

Yukon

2020-2021

All

All

5.3 L83 L84 6.2 L86 L87

All

GMC

Terrain

2020-2021

All

All

1.5 LYX

All

 

Involved Region or Country

North America

Condition

Possible Crank no start or extended crank with DTC p12A6 set current or history. 

Cause

Internal Hardware Issue

Correction

Replace the K20 Engine Control Module (ECM).

Engineering is aware of this concern, this PI will be updated to a bulletin when the permanent fix is released.  

 

Warranty Information

For vehicles repaired under the Emissions (E, E2) coverage, use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Labor Operation

Description

Labor Time

4087448

K20 Engine Control Module Replacement (ECM)

5.3 L83 and 6.2 L86 2020 SUV

Base Time: 0.5 Hr.

Diagnostic Add Time 0.0 - 1.0 Hrs.

5.3 L84 and 6.2 L87 SUV 2021 SUV ST.

1.5 LYX  2020-2021

Base Time: 0.6 Hr.

Diagnostic Add Time 0.0 - 1.0 Hrs.

1.5 LFV 2020-2021

Base Time: 0.6 Hr.

Diagnostic Add Time 0.0 - 1.0 Hrs.

To relearn OAT Sensor: add 0.2 Hrs.

5.3 L82/L84 and 6.2 L87 2019-2021

Base Time: 0.8 Hrs.

Diagnostic Add Time 0.0 - 1.0 Hrs.

6.2L LT2 2020 Corvette: Base time is ST

2.0L LSY Engine CT5 Base time is 1.0 Hrs.

Diagnostic Add time 0.0 – 1 Hrs.

6.6 L8T 2020-2021

Base Time: 1.1 Hrs.

Diagnostic Add Time 0.0 - 1.0 Hrs.

*This is a unique Labor Operation for Bulletin use only.


Version

3

Modified

06/11/2020 – Created on

07/29/2020 – Updated Model Years

08/06/2020 – Updated Model Years and Engine RPO Codes

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