DTC Codes for Acura RL - Acura Forum : Acura Forums
1st Gen RL Forum for the 1996-2004 Acura RL

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post #1 of 17 (permalink) Old 04-27-06, 05:08 PM Thread Starter
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DTC Codes for Acura RL

I have gone through the serice manual and listed the DTC codes for the RL. These codes give a pretty good idea about what needs to be troubleshooted. For each code, there is about a page of flowcharts to diagnose the problem correctly. Feel free to contact me whenever a code pops up to figure out what needs to be done.

To read the codes, insert the service connector or the 2 ends of a wire into the 2 slots in the blue connector under the glove compartment. Turn the ignition to ON(II). The light will come on for 2 seconds. This is the test phases, do not count this inital one. After the light goes out, start counting the blinks. It will be long ones followed by short ones. (i.e. 3 long blinks and 5 short ones is a code 3-5) Sometimes you may have more than one code stored in the memory. The first code that blinks is the most recent. The ECU will store up to 3 codes for each light.

**Please Note, these codes are from the '96 Service Manual. I would like to assume, for the most part, that they stay the same throughout the first gen yrs. But no guarantees.**

ABS:

1-0 Pump motor overrun
1-2 Pump motor
1-3 High Pressure Leakage
1-4 Pressure Switch
1-8 High Pressure System
2-1 Parking Brake
3-1 Right Front Pulser
3-2 Left Front Pulser
3-4 Right Rear Pulser
3-8 Left Rear Pulser
3-12 Different Diameter Tire
4-1 Right Front Wheel Sensor
4-2 Left Front Wheel Sensor
4-4 Right Rear Wheel Sensor
4-8 Left Rear Wheel Sensor
5-0 Right/Left Rear Wheel Lock
5-4 Right Rear Wheel Lock
5-8 Left Rear Wheel Lock
6-0 Front/Rear Fail-Safe Relay
6-4 Front Fail-Safe Relay
6-8 Rear Fail-Safe Relay
7-1 Right-Front Solenoid
7-2 Left -Front Solenoid
7-4 Rear Solenoid
8-1 ABS Function
8-2 CPU Comparison
8-4 Integrated Circuit

TCS:

*If both the TCS and ABS light are on together, troubleshoot the ABS first*

2-0 Parking Brake
2-1 Steering Angle Sensor
3-1 TCS Inhibition
3-2 Engine Speed Signal
3-4 Reference Voltage Signal
3-5 Barometric Pressure Signal
3-6 Throttle Position Sensor Signal
3-7 TCS Control Valve Sensor Signal
4-1 Right Front Wheel Sensor Signal
4-2 Left Front Wheel Sensor Signal
4-4 Right Rear Wheel Sensor Signal
4-8 Left Rear Wheel Sensor Signal
4-9 ABS Down
5-1 Fail-Safe Relay Stuck On
5-2 Ignition Switch Signal
5-3 Ignition Switch Signal
5-4 TCS Control Valve Actuator Initial Motor Operation
5-5 TCS Control Valve Actuator Motor Operation (1)
5-6 TCS Control Valve Actuator Motor Operation (2)
5-7 TCS Control Valve Actuator Over Limit Motor Circuit
5-8 TCS Control Valve Actuator Motor Driver Open
5-9 TCS Control Valve Actuator Under Limit Motor Circuit
5-10 TCS Control Valve Actuator Motor Driver Shorted
6-1 A/T Shift Position Signal

MIL:
*The P---- codes are recieved by connecting a OBDII reader to the computer. You can use the service connect/blinking light method to read the codes (those codes are in parenthesis) however there are not as accurate. Also some codes need to be read twice, some are only for certain models ect. Please contact me for further details regarding such codes*

P0106 (5) Manifold Absolute Pressure Circuit Range/Performance Problem
P0107 (3) Manifold Absolute Pressure Circuit Low Input
P0108 (3) Manifold Absolute Pressure Circuit High Input

P0111 (10) Intake Air Temperature Circuit Range/Performance Problem
P0112 (10) Intake Air Temperature Circuit Low Input
P0113 (10) Intake Air Temperature Circuit High Input

P0116 (86) Engine Coolant Temperature Circuit Range/Performance Problem
P0117 (6) Engine Coolant Temperature Circuit Low Input
P0118 (6) Engine Coolant Temperature Circuit High Input

P0122 (7) Throttle Position Circuit Low Input
P0123 (7) Throttle Position Circuit High Input

P0131 (2) Right Primary Heated Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 1)
P0132 (2) Right Primary Heated Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 1)
P0133 (62) Right Primary Heated Oxygen Sensor Slow Response (Bank 1, Sensor 1)
P0135 (42) Right Primary Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

P0137 (63) Secondary Heated Oxygen Sensor Circuit Low Voltage (Sensor 2)
P0138 (63) Secondary Heated Oxygen Sensor Circuit High Voltage (Sensor 2)
P0139 (63) Secondary Heated Oxygen Sensor Slow Response (Sensor 2)
P0141 (65) Secondary Heated Oxygen Sensor Heater Circuit Malfunction (Sensor 2)

P0151 (1) Left Primary Heated Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 1)
P0152 (1) Left Primary Heated Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 1)
P0153 (61) Left Primary Heated Oxygen Sensor Slow Response (Bank 2, Sensor 1)
P0155 (41) Left Primary Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2, Sensor 1)

P0171 (46) System to Lean [Right Bank (Bank 1)]
P0172 (46) System to Rich [Right Bank (Bank 1)]
P0174 (45) System to Lean [Left Bank (Bank 2)]
P0175 (45) System to Rich [Left Bank (Bank 2)]


P0325 (53) Right Knock Sensor Circuit Malfunction
P0330 (23) Left Knock Sensor Circuit Malfunction
P0335 (4) Crankshaft Position Sensor 1 Circuit Malfunction
P0336 (4) Crankshaft Position Sensor 1 Range/Performance
P0401 (80) Exhaust Gas Recirculation Insufficient Flow
P0420 (67) Catalyst System Efficiency Below Threshold
P0452 (91) Evaporative Emission Control System Pressure Sensor Circuit Low Input
P0453 (91) Evaporative Emission Control System Pressure Sensor Circuit High Input
P0505 (14) Idle Control System Malfunction

P0715 (70) Automatic Transaxle
P0720 (70) Automatic Transaxle
P0730 (70) Automatic Transaxle
P0740 (70) Automatic Transaxle
P0753 (70) Automatic Transaxle
P0758 (70) Automatic Transaxle

P1106 (13) Barometric Pressure Circuit Range/Performance Problem
P1107 (13) Barometric Pressure Circuit Range/Performance Problem
P1108 (13) Barometric Pressure Circuit High Input

P1121 (7) Throttle Postion Lower Than Expected
P1122 (7) Throttle Postion Higher Than Expected

P1128 (5) Manifold Absolute Pressure Lower Than Expected
P1129 (5) Manifold Absolute Pressure Higher Than Expected

P1201 (71) Random Misfire – Cylinder 1
P1202 (72) Random Misfire – Cylinder 2
P1203 (73) Random Misfire – Cylinder 3
P1204 (74) Random Misfire – Cylinder 4
P1205 (75) Random Misfire – Cylinder 5
P1206 (76) Random Misfire – Cylinder 6

P1300 (71-72) Random Misfire

P1301 (71) Random Misfire – Cylinder 1
P1302 (72) Random Misfire – Cylinder 2
P1303 (73) Random Misfire – Cylinder 3
P1304 (74) Random Misfire – Cylinder 4
P1305 (75) Random Misfire – Cylinder 5
P1306 (76) Random Misfire – Cylinder 6

P1316 (79) Spark Plug Voltage Detection Circuit Malfunction (Left Bank)
P1317 (79) Spark Plug Voltage Detection Circuit Malfunction (Right Bank)
P1318 (79) Spark Plug Voltage Detection Module Reset Circuit Malfunction (Left Bank)
P1319 (79) Spark Plug Voltage Detection Module Reset Circuit Malfunction (Right Bank)

P1336 (54) Crankshaft Position Sensor 2 Circuit Range/Performance Problem
P1337 (54) Crankshaft Position Sensor 2 Circuit Malfunction

P1381 (9) Cylinder Position Sensor 1 Range/Performance Problem
P1382 (9) Cylinder Position Sensor 1 Malfunction
P1386 (59) Cylinder Position Sensor 2 Range/Performance Problem
P1387 (59) Cylinder Position Sensor 2 Malfunction

P1456 (90) Evaporative Emission Control System Leak Detected (Fuel Tank)
P1457 (90) Evaporative Emission Control System Leak Detected (Canister)

P1491 (12) EGR Valve Lift Insufficient Detected
P1498 (12) EGR Valve Lift Sensor High Voltage

P1508 (14) Idle Air Control Valve Circuit Failure
P1607 (-) Powertrain Control Module Internal Circuit Failure
P1690 (35) TCSTB Line Failure
P1696 (36) TCFC Signal Low Input
P1697 (36) TCFC Signal High Input

P1705 (70) Automatic Transaxle
P1706 (70) Automatic Transaxle
P1753 (70) Automatic Transaxle
P1758 (70) Automatic Transaxle
P1768 (70) Automatic Transaxle
P1791 (70) Automatic Transaxle

SRS:

1-1 Open in the Driver’s Airbag Inflator
1-2 Increased Resistance in Driver’s Airbag Inflator
1-3 Short to Another Wire in Driver’s Airbag Inflator or Decreased Resistance
1-4 Short to Power in Driver’s Airbag Inflator
1-5 Short to Ground in Driver’s Airbag Inflator

2-1 Open in the Passenger’s Airbag Inflator
2-2 Increased Resistance in Passenger’s Airbag Inflator
2-3 Short to Another Wire in Passenger’s Airbag Inflator or Decreased Resistance
2-4 Short to Power in Passenger’s Airbag Inflator
2-5 Short to Ground in Passenger’s Airbag Inflator

3-1 Open in Driver’s Seat Belt Tensioner
3-2 Increased Resistance in Driver’s Seat Belt Tensioner
3-3 Short to Another Wire in Driver’s Seat Belt Tensioner or Decreased Resistance
3-4 Short to Power in Driver’s Seat Belt Tensioner
3-5 Short to Ground in Driver’s Seat Belt Tensioner

4-1 Open in Passenger’s Seat Belt Tensioner
4-2 Increased Resistance in Passenger’s Seat Belt Tensioner
4-3 Short to Another Wire in Passenger’s Seat Belt Tensioner or Decreased Resistance
4-4 Short to Power in Passenger’s Seat Belt Tensioner
4-5 Short to Ground in Passenger’s Seat Belt Tensioner

5-1 Internal Failure of the SRS unit
5-2 Internal Failure of the SRS unit
5-3 Internal Failure of the SRS unit
5-4 Internal Failure of the SRS unit
5-5 Internal Failure of the SRS unit

6-1 Internal Failure of the SRS unit
6-2 Internal Failure of the SRS unit
6-3 Internal Failure of the SRS unit
6-4 Internal Failure of the SRS unit

7-1 Internal Failure of the SRS unit
7-2 Internal Failure of the SRS unit
7-3 Internal Failure of the SRS unit

8-1 Internal Failure of the SRS unit
8-2 Internal Failure of the SRS unit
8-3 Internal Failure of the SRS unit
8-4 Internal Failure of the SRS unit
8-5 Internal Failure of the SRS unit
8-6 Internal Failure of the SRS unit

9-1 Faulty SRS Indicator Circuit or Faulty SRS Power Supply
9-2 Faulty SRS Power Supply
10-1 SRS Replacement Code

Last edited by petthepeep; 06-06-06 at 06:33 PM.
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post #2 of 17 Old 06-02-06, 02:35 PM
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Thanks for the great information! But....

I seem to be recieving a code of 1-5 from my ABS light. One long and five short. Any ideas? The car is a '99 RL with 130,000 miles.

The ABS light stays on constantly. When I drive the car the TCS light comes on. The codes I recieve from TCS are 5-4 and 6-1. Does this make any sense?
Any assistance you can provide is greatly appreciated.

Kind regards,

Ross
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post #3 of 17 Old 02-07-08, 11:37 PM
 
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Quote:
Originally Posted by sciam2000 View Post
I seem to be recieving a code of 1-5 from my ABS light. One long and five short. Any ideas? The car is a '99 RL with 130,000 miles.

The ABS light stays on constantly. When I drive the car the TCS light comes on. The codes I recieve from TCS are 5-4 and 6-1. Does this make any sense?
Any assistance you can provide is greatly appreciated.

Kind regards,

Ross

yes mine does the same also when i start my car up no lights are on...
as soon as i move the abs light goes on
i have 90k miles and i got intake and catback muffler i dont know what it can be but it never gave me a problem yet....but i hate seein that light
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post #4 of 17 Old 04-25-08, 08:57 PM
 
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My abs light comes on after a few minutes of driving or it either comes on right at startup.I just went to read the codes and i got 1-8 for the ABS.It's a 1996 RL premium model with TCS, heated seats, etc. Any idea as to what i should do or what is causing this and how to repair it.
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post #5 of 17 Old 01-07-09, 01:44 PM
 
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I have an 02 and am getting codes 132 and 152 bank 1 and bank 2 as well as 1457.

Any thoughts on any other underlying issues causing the 132 and 152 codes to come on? I have noticed that when I fill up the car it sputters while I drive out of the station. In fact it will cut off.
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post #6 of 17 Old 07-07-09, 09:33 PM
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I have an 02 and the Check Engine Light is on. When I scan with an OBD, the DTC that I'm getting is reading P0141= 02 Heater Circuit (Bank 1, Sensor 2). Any suggestions on how to DIY to correct this? BTW Pics would help.
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post #7 of 17 Old 11-22-09, 03:30 PM
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That refers to your O2 sensor just behind the catalytic converter.

Borrow the O2 socket from AutoZone, etc. get under the car and remove.

Easiest to solder old wiring from under the passenger seat through the floor' I solder under the car, so I don't have to mess with the seat. Pretty easy.
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post #8 of 17 Old 11-23-09, 08:14 PM
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Thanks, but by the time I got this reply, I had already replaced the O2 Sensor with a Denso Brand replacement. Perfect fit. But my advice would be for others to try cleaning the Original malfunctioning O2 sensor with a commercial product available at NAPA. Might work the first time.
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post #9 of 17 Old 04-23-10, 03:40 AM
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denso brand was really awesome!!
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post #10 of 17 Old 06-21-10, 04:32 PM
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Does anyone know how to reset the TCS codes on a 1996 ACura RL?

I was able to reset the ABS codes, but I tried removing the battery for an hour and the TCS codes are still there.

Anyone know how to reset these codes?

Thanks for any info!
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post #11 of 17 Old 06-23-10, 01:02 PM
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if you have an obd-II reader you can erase them
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post #12 of 17 Old 06-24-10, 01:37 PM
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An OBDII reader will not reset these codes.

The ABS and TCS codes are part of the DTC (diagnostic trouble codes) which you read by hooking up a paper clip to a blue connector underneath the passenger glove box, then read the blinking patterns on the ABS and TCS lights. These codes are not part of the MIL codes (malfunction indicator lamp or check engine), which are typically P---- codes, which are the codes read by an OBDII reader. I own an OBDII reader which has come in handy very many times. This awesome tool will do nothing for the TCS codes I want to reset, as the MIL and DTC are seperate (think of it as two different computers).
The procedure for resetting these codes on newer RL's involves holding one or more buttons and the brake for X number of seconds while turning on the ignition, or something crazy like that.

If anyone else knows how these TCS codes are reset, please chime in, Thanks!
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post #13 of 17 Old 06-25-11, 10:09 AM
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Thanks for this list!
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post #14 of 17 Old 07-25-12, 11:44 AM
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My ABS,SRS, and TCS lights are on.
The code we got is P0151. They (Acura of Valley Stream) said its O2 sensor bank 1 but the codes listed here state its Bank 2 Sensor 1.

Which one is it ?
How difficult is it to do myself ?
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post #15 of 17 Old 08-22-12, 09:24 PM
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Hi petthepeep, I have a DTC of P0141, but I am confused where the o2 sensor located. The Helm service manual indicates it is a Right Hand "Primary" o2 Sensor located on the RH exhaust manifold. You are indicating it is a "secondary " Heated Oxygen Sensor Heater Circuit Malfunction (Sensor 2) which is attached to the Catalyic converter? Can you set me straight? Thank you Jim at: [email protected]
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