Acura RL. Instruction — page 211

P0848 (26-4)

(2)

Transmission Fluid
Pressure Switch Circuit,
or 3rd Clutch
Transmission Fluid
Pressure Switch Stuck
OFF

P0872 (27-3)

(2)

Blinks

OFF

Short in 4th Clutch
Transmission Fluid
Pressure Switch Circuit,
or 4th Clutch
Transmission Fluid
Pressure Switch Stuck ON

P0873 (27-4)

(2)

Blinks

OFF

Open in 4th Clutch
Transmission Fluid
Pressure Switch Circuit,
or 4th Clutch
Transmission Fluid
Pressure Switch Stuck
OFF

P0957 (24-3)

(2)

Blinks

ON

Short in Transmission
Gear Selection Switch
Circuit, or Transmission
Gear Selection Switch
Stuck ON

P0958 (24-4)

(2)

Blinks

ON

Open in Transmission
Gear Selection Switch
Circuit, or Transmission
Gear Selection Switch
Stuck OFF

P0962 (16-3)

(2)

Blinks

ON

Problem in A/T Clutch
Pressure Control Solenoid
Valve A Circuit

P0963 (16-4)

(2)

Blinks

ON

Problem in A/T Clutch
Pressure Control Solenoid
Valve A

P0966 (23-3)

(2)

Blinks

ON

Problem in A/T Clutch
Pressure Control Solenoid
Valve B Circuit

P0967 (23-4)

(2)

Blinks

ON

Problem in A/T Clutch
Pressure Control Solenoid
Valve B

P0970 (29-3)

(2)

Blinks

ON

Problem in A/T Clutch
Pressure Control Solenoid
Valve C Circuit

P0971 (29-4)

(2)

Blinks

ON

Problem in A/T Clutch
Pressure Control Solenoid

2007 Acura RL

2005-08 TRANSMISSION Automatic Transmission — RL

me

Friday, June 05, 2009 1:18:10 PM

Page 15

© 2005 Mitchell Repair Information Company, LLC.

SYMPTOM TROUBLESHOOTING INDEX

TROUBLESHOOTING CHART

Valve C

P0973 (7-3)

(2)

Blinks

ON

Short in Shift Solenoid
Valve A Circuit

P0974 (7-4)

(2)

Blinks

ON

Open in Shift Solenoid
Valve A Circuit

P0976 (8-3)

(2)

Blinks

ON

Short in Shift Solenoid
Valve B Circuit

P0977 (8-4)

(2)

Blinks

ON

Open in Shift Solenoid
Valve B Circuit

P0979 (22-3)

(2)

Blinks

ON

Short in Shift Solenoid
Valve C Circuit

P0980 (22-4)

(2)

Blinks

ON

Open in Shift Solenoid
Valve C Circuit

P0982 (60-3)

(2)

Blinks

ON

Short in Shift Solenoid
Valve D Circuit

P0983 (60-4)

(2)

Blinks

ON

Open in Shift Solenoid
Valve D Circuit

P1717 (62-1)

Blinks

ON

Open in Transmission
Range Switch ATP RVS
Switch Circuit

P1743 (45-11)

Blinks

OFF

Problem in Shift Control
System; Shift Valve E
Stuck OFF

P1744 (45-12)

Blinks

OFF

Problem in Shift Control
System; Shift Valve E
Stuck ON

P1745 (45-13)

Blinks

OFF

Problem in Shift Control
System; Servo Control
Valve Stuck OFF or Servo
Control Valve Stuck ON

P1780 (49-1)

Blinks

ON

Problem in Shift Control
System

NOTE:

(1)

The DTC in parentheses is the Honda code that you will see when you use the HDS. The first
number(s) before the — (hyphen) is the flash code the D indicator indicates when the data link
connector (DLC) is connected to the HDS, and in the SCS mode.

(2)

This code is caused by an electrical circuit problem and cannot be caused by a mechanical
problem in the transmission.

Symptom

Probable cause(s)

Notes

When you turn the ignition

2007 Acura RL

2005-08 TRANSMISSION Automatic Transmission — RL

me

Friday, June 05, 2009 1:18:10 PM

Page 16

© 2005 Mitchell Repair Information Company, LLC.

switch to ON (II), the D
indicator comes on and stays on
in all shift lever positions, or it
never comes on at all

F-CAN communication line
error

Gauge control module
defective

PCM defective

Check the F-CAN
communication line for a
DTC (see DTC B1168:
GAUGE CONTROL
MODULE LOST
COMMUNICATION
WITH PCM (ENG
MESSAGE); DTC B1169:
GAUGE CONTROL
MODULE LOST
COMMUNICATION
WITH THE PCM (A/T
MESSAGE); DTC B1178:
F-CAN
COMMUNICATION
ERROR
).

Check the F-CAN
communication line by using
the gauge control module self-
diagnostic function (see THE
COMMUNICATION LINE
CHECK
).

Check the indicator drive
circuit in the gauge control
module by using the gauge
control module self-diagnostic
function (see THE
INDICATOR DRIVE
CIRCUIT CHECK
).

A/T gear position indicator does
not come on while the shift lever
is in that position

F-CAN communication line
error

Gauge control module
defective

PCM defective

Transmission range switch
defective

Check the F-CAN
communication line for a
DTC (see DTC B1168:
GAUGE CONTROL
MODULE LOST
COMMUNICATION
WITH PCM (ENG
MESSAGE); DTC B1169:
GAUGE CONTROL
MODULE LOST
COMMUNICATION
WITH THE PCM (A/T
MESSAGE); DTC B1178:
F-CAN
COMMUNICATION
ERROR
).

Check the F-CAN

2007 Acura RL

2005-08 TRANSMISSION Automatic Transmission — RL

me

Friday, June 05, 2009 1:18:10 PM

Page 17

© 2005 Mitchell Repair Information Company, LLC.

communication line by using
the gauge control module self-
diagnostic function (see THE
COMMUNICATION LINE
CHECK
).

Check the indicator drive
circuit in the gauge control
module by using the gauge
control module self-diagnostic
function (see THE
INDICATOR DRIVE
CIRCUIT CHECK
).

Inspect the transmission range
switch (see
TRANSMISSION RANGE
SWITCH TEST
).

Shift indicator does not work

F-CAN communication line
error

Gauge control module
defective

PCM defective

Transmission range switch
defective

Check the F-CAN
communication line for a
DTC (see DTC B1168:
GAUGE CONTROL
MODULE LOST
COMMUNICATION
WITH PCM (ENG
MESSAGE); DTC B1169:
GAUGE CONTROL
MODULE LOST
COMMUNICATION
WITH THE PCM (A/T
MESSAGE); DTC B1178:
F-CAN
COMMUNICATION
ERROR
).

Check the F-CAN
communication line by using
the gauge control module self-
diagnostic function (see THE
COMMUNICATION LINE
CHECK
).

Check the indicator drive
circuit in the gauge control
module by using the gauge
control module self-diagnostic
function (see THE
INDICATOR DRIVE
CIRCUIT CHECK
).

2007 Acura RL

2005-08 TRANSMISSION Automatic Transmission — RL

me

Friday, June 05, 2009 1:18:10 PM

Page 18

© 2005 Mitchell Repair Information Company, LLC.

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