NHTSA ID Number: 10190952
Manufacturer Communication Number: 01-008-21-3787
TSB/Document Date: 2021-04-26
Summary
Some vehicles may experience a lack of power and the check engine light on with DTC P061B:00 stored in PCM memory under one of the following conditions (A or B). DTC P061B:00 - [PCM] Internal control module torque calculation performance problem. Due to an improper control logic of the PCM, the engine torque calculation error detection is too sensitive. To eliminate this concern, the PCM software has been modified.
BULLETIN NOTES
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text.
Previous TSBs:
Date(s) Issued:
01-015/19
08/12/2019
01-015/18
08/22/2018 and 10/23/2018
APPLICABLE MODEL(S)/VINS
US Spec.:
2018-2019 Mazda6 vehicles (with coolant control valve) with VINs lower than JM1GL******505645 (produced before
April 22, 2019)
NOTE: Mazda6 vehicles with SKYACTIV-G 2.5T are not applicable to this bulletin.
2018-2019 CX-5 vehicles (with coolant control valve) with VINs lower than JM3KF******623863 (produced before
April 22, 2019)
NOTE: CX-5 vehicles with SKYACTIV-G 2.5T are not applicable to this bulletin.
2019 CX-3 vehicles (with coolant control valve) with VINs lower than JM1DK******421607 (produced before September
4, 2018)
2019 MX-5 vehicles (without coolant control valve) with VINs lower than JM1ND******310734 (produced before August
29, 2019)
2019 MX-5 (30th Anniversary) vehicles (without coolant control valve) with VINs lower than
JM1ND******400683 (produced before August 28, 2019)
Mexico Spec.:
2019-2020 Mazda6 vehicles (with coolant control valve) with VINs lower than JM1GL******508645 (produced before June
27, 2019)
NOTE: Mazda6 vehicles with SKYACTIV-G 2.5T are not applicable to this bulletin.
2018-2019 CX-5 vehicles (with coolant control valve) with VINs lower than JM3KF******678694 (produced before July 30,
2019)
NOTE: CX-5 vehicles with SKYACTIV-G 2.5T are not applicable to this bulletin.
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2019 MX-5 vehicles (without coolant control valve) with VINs lower than JM1ND******311825 (produced before October
31, 2019)
2019 MX-5 (30th Anniversary) vehicles (without coolant control valve) with VINs lower than
JM1ND******400840 (produced before October 7, 2019)
DESCRIPTION
Some vehicles may experience a lack of power and the check engine light on with DTC P061B:00 stored in PCM
memory under one of the following conditions (A or B).
• DTC P061B:00 - [PCM] Internal control module torque calculation performance problem.
Condition
Condition Description
A
When cranking is interrupted (likely occurs when the brake pedal is released during cranking)
B
When accelerating from 1300-1600 rpm with wide open throttle
Due to an improper control logic of the PCM, the engine torque calculation error detection is too sensitive. To eliminate
this concern, the PCM software has been modified.
Explain to the customer:
This is not an actual failure of the engine, but a false detection of the failure caused by the improper engine control
software. With the false failure, the engine control computer turned on the Fail Safe mode, resulting in reduced engine
rpm. To avoid the false detection in the future, the engine control software has been updated.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify the customer concern.
2. Were any MAF sensor and/or IAT sensor DTC(s) stored?
- Yes: This TSB does not apply. Diagnose DTC(s) according to the instructions on MGSS online.
- No: Proceed to Step 3.
3. Check the FFD. Was DTC P061B:00 stored during engine cranking or when accelerating from 1300-1600 rpm with
wide open throttle?
- Yes: Proceed to Step 4.
- No: This TSB does not apply. Diagnose DTC according to the instructions on MGSS online.
4. Refer to the table below and determine if PCM reprogramming is applicable to the subject vehicle.
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04/05/2021 02:46 PM tlawrenc
Condition
Condition Description
Model
Reprogram
PCM
A
When cranking is interrupted (likely occurs when the brake pedal
is released during cranking)
CX-3, MX-5, CX-5,
Mazda6
Yes
Yes
When accelerating from 1300-1600 rpm with wide open throttle
MX-5, CX-5,
Mazda6
CX-3
No
B
NOTE: Under Condition B, do not reprogram the PCM on CX-3 models at this time.This bulletin does not apply.
Diagnose the vehicle according to the instructions on MGSS online.
5. If the subject vehicle is applicable to this bulletin, reprogram the PCM with Mazda
Modular Diagnostic System (MMDS) using IDS software according to IDS PCM REPROGRAMMING PROCEDURE.
CALIBRATION
Mazda6 (US and Mexico Spec.):
MY
Engine
File Name
Note
M/T
PYH1-188K2-J
---
A/T
PYH3-188K2-L
with Cylinder Deactiva
tion
PXD8-188K2-C
with Cylinder Deactiva
tion
PYH5-188K2-G
---
PXD9-188K2-B
---
US 2018
2.5L
US 2019
2.5L
A/T
2.5L
A/T
Mexico 2019
Mexico 2020
NOTE: Mazda6 vehicles with SKYACTIV-G 2.5T are not applicable.
2018 CX-5 (US and Mexico Spec.):
Spec.
US
US
Engine
2.5L
(w/o Cylinder Dea
ctivation)
2.5L
(with Cylinder Dea
ctivation)
Drive
2WD
A/T
4WD
A/T
2WD
4WD
File Name
Note
PYH9-188K2-F
PYJ1-188K2-E
Denso
PYJ2-188K2-F
PYJ3-188K2-E
Denso
PYFA-188K2-J
PYFB-188K2-J
Denso
PYFC-188K2-J
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04/05/2021 02:46 PM tlawrenc
Mexico
2.0L
AT
2WD
Mexico
2.5L
(w/o Cylinder Dea
ctivation)
AT
2WD
Drive
PYFD-188K2-J
Denso
PEK8-188K2-C
PEK9-188K2-C
Denso
PYJ4-188K2-E
PYJ5-188K2-E
Denso
File Name
Note
PX46-188K2-C
PX47-188K2-B
Denso
PX48-188K2-C
PX49-188K2-B
Denso
PX42-188K2-C
PX43-188K2-C
Denso
PX44-188K2-D
PX45-188K2-D
Denso
PAM2-188K2-B
PAM3-188K2-B
Denso
PX50-188K2-B
PX51-188K2-B
Denso
2019 CX-5 (US and Mexico Spec.):
Spec.
Engine
US
2.5L
(w/o Cylinder Dea
ctivation)
2WD
A/T
4WD
2WD
2.5L
(with Cylinder Dea
ctivation)
US
A/T
4WD
Mexico
2.0L
AT
2WD
Mexico
2.5L
(w/o Cylinder Dea
ctivation)
AT
4WD
CX-3 (US Spec. Only):
Emission
Cal
Drive
File Name
M/T
2WD
PA01-188K2-E
2WD
PA02-188K2-E
4WD
PA03-188K2-E
2WD
PAD7-188K2-E
2WD
PAD8-188K2-E
4WD
PAD9-188K2-E
A/T
M/T
Fed
A/T
MX-5 (US and Mexico Spec.):
Spec.
Body
File Name
US
Convertible Top
M/T
PAD2-188K2-E
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A/T
PAC6-188K2-E
M/T
PAD4-188K2-D
A/T
PAD5-188K2-E
Convertible Top
M/T
PAD3-188K2-C
Retractable Fastback
A/T
PAC7-188K2-C
Retractable Fastback
Mexico
NOTE: It is not necessary to order a PCM part for this repair procedure.
WARRANTY INFORMATION
NOTE:
• This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.
• This repair will be covered under Fed. Emission Warranty (long term).
• Additional diagnostic time cannot be claimed for this repair.
Warranty Type
A
Symptom Code
6X
Damage Code
9W
Part Number Main Cause
Quantity
Operation Number / Labor Hours:
5555-RP-PCM
0
XXP7YXFX / 0.3 Hrs.
NOTE: CX-5 and Mazda6 vehicles with SKYACTIV-G 2.5T are not applicable to this bulletin.
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TSB/Document ID: 01-008-21-3787
Replacement Service Bulletin Number:
MFR Communication Date: 2021-04-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
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