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NHTSA ID Number: 10168908

Manufacturer Communication Number: NTB19-054a

TSB/Document Date: 2019-12-06


Summary

2019 LEAF; WILL NOT SHIFT OUT OF PARK AND ERROR MESSAGE DISPLAYED This bulletin has been amended. See AMENDMENT HISTORY on the last page of this bulletin. Discard all previous versions of this bulletin.


Classification:

Reference:

AT19-003a

Date:

NTB19-054a

November 6, 2019

2019 LEAF; WILL NOT SHIFT OUT OF PARK
AND ERROR MESSAGE DISPLAYED
This bulletin has been amended. See AMENDMENT HISTORY on the last page of this bulletin.
Discard all previous versions of this bulletin.

2019 LEAF (ZE1)
APPLIED VEHICLES:
APPLIED VIN and DATE: 2019 LEAF vehicles built before 1N4(*)Z1CP(*)KC 317026 and
August 13, 2019

IF YOU CONFIRM
The vehicle will not shift out of Park (P),
And
There is the message on the instrument panel, “When Parked Apply Parking Brake”,
And
DTC P189A (Motor “A” Circuit Low) is stored as current and will not erase,
And
Terminal 1 and/or terminal 2, inside connector E54, are loose. See Figure 2 on the next
page and step 3 on page 3.
NOTE: The Parking Actuator Relay "A" plugs into connector E54 in the relay box.

ACTION
1.

Replace the Parking Actuator Relay “A” harness connector.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
NissaneBay logo Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your NissaneBay logo dealer to determine if this applies to your vehicle.

1/13

SERVICE PROCEDURE

1.

Locate Parking Actuator Relay “A”.

Parking
Actuator
Relay “A”

Figure 1

2.

Remove the relay and locate terminals
number 1 and 2.
NOTE: Terminals are located in
harness connector E54.
Harness
connector E54
Figure 2

2/13

NTB19-054a

3.

Use Spread Terminal Gauge J-48817-28, from the Terminal Repair Kit, to inspect
terminals 1 and 2 for the correct pin fit as follows:

IMPORTANT: For the following steps (3a-3d)
 Good Terminal – The Spread Terminal Gauge should compress completely without
sliding into the terminal. If it compresses completely, DO NOT insert it.
 NG Terminal – The Spread Terminal Gauge will not compress or will only partially
compress before sliding into the terminal.
Spread
Terminal Gauge
# J-48817-28

a. Align the tip of the Spread
Terminal Gauge (Figure 3) so that
it is offset to one side (see Figure 4
and Figure 5).
NOTE: The Spread Terminal
Gauge will be used twice on each
terminal.
b. Gently attempt to insert the Spread
Terminal Gauge into the selected
terminal while observing if it
compresses. DO NOT insert the
gauge into the terminal if it
compresses completely.

Harness
connector E54
Figure 3

c. Relocate the Spread Terminal Gauge to the opposite side of the same terminal
(see Figure 4 and Figure 5 and repeat step 3b. DO NOT insert the gauge into
the terminal if it compresses completely.
d. Repeat steps 3a-3c on the second terminal.
Example only: Terminal removed to allow clear view of pin test

Figure 4

Figure 5

 Does the Spread Terminal Gauge compress completely without sliding into any of
the test points (total of 4 test points)?

YES: The terminals have the correct pin fit. Refer to the Electronic Service
Manual (ESM) for further diagnostics not covered under this bulletin.

NO: Proceed to step 4.
3/13

NTB19-054a

4.

Write down the radio settings.

Presets

1

2

3

4

5

6

AM
FM 1
FM 2
SAT 1
SAT 2
Bass

Treble

Balance

5.

Turn the ignition OFF.

6.

Disconnect the vehicle’s 12 volt battery.

Speed Sen.
Vol.

Fade

Refer to the ESM for service procedure to disconnect the 12 volt battery: REPAIR
> ELECTRICAL & POWER CONTROL > POWER SUPPLY, GROUND &
CIRCUIT ELEMENTS > REMOVAL AND INSTALLATION > 12V BATTERY.

Release Harness Connector E54 from the Vehicle’s Relay Box

7.

Gently pry the release tab away from
harness connector E54 with an
appropriate tool.

8.

While holding the release tab, push
harness connector E54 down into the
relay box.
Relay box

Harness
connector E54
Figure 6

4/13

NTB19-054a

9.

Pull harness connector E54 straight up
and out of the relay box.

Figure 7

For the following repair the entire motor room harness will not be used. Only the
Parking Actuator Relay “A” harness connector (E54) will be removed from it to repair
the pre-existing harness.

10.

Repeat steps 7-9 on E54 of the new
motor room harness.

See the Parts Information section
of this bulletin on page 13.

Relay box of the
new motor room
harness

5/13

Figure 8

NTB19-054a

11.

Cut all four (4) wires of the new E54 harness connector, and then remove it from the
new motor room harness relay box.

Cut wires so that they are as long as possible; approximately 4-5 inches.

Cut all four (4)
wires here.

Figure 9
12.

Strip approximately 10 mm of insulation from the ends of each wire (see Figure 10).

IMPORTANT: In the following steps the old harness connector wires (still in vehicle) will be
cut, striped, and soldered together, one at a time. Two wires are the same color, but of a
slightly different gauge wire (see Figure 10).

These two blue wires are the same
color, but are different gauges

10 mm
New E54 harness
connector

Figure 10

6/13

NTB19-054a

13.

Cut only the blue wire of the old E54
harness connector as shown in
Figure 11.

Cut here
Old E54 harness
connector

14.

Figure 11

10 mm

Remove approximately 10 mm of
insulation.

Figure 12
CAUTION: Do not use an electric type soldering tool. An electric type soldering tool may
generate a current that may damage vehicle’s control units.
15.

Place a blue solder sleeve onto the
corresponding wire of the new harness
connector.

16.

The solder sleeve connectors are
listed in the Parts Information
section of this bulletin on page 13.

Twist the new harness connector wire
(with solder sleeve) together with the
wire that was stripped in step 14.

See Figure 13 for example of
twisting wires.
Figure 13
7/13

NTB19-054a

17.

Slide the blue solder sleeve over the
twisted pair and position it so that the

12

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TSB/Document ID: NTB19-054a

Replacement Service Bulletin Number:

MFR Communication Date: 2019-11-06

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: POWER TRAIN:AUTOMATIC TRANSMISSION

MFR Component System:

MFR Component Subsystem:


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