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Peugeot 807 parking sensors dont work

When i put the car in reverse a short beep is followed by a longer beep. According to the manual this indicates a fault. I need help with how to best isolate the fault so i don't have to dismantle the entire system please.

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Posted on Jan 02, 2017

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SOURCE: Jaguar XK8 2005 beeping/no reverse sensors working.

I have the same problem on my XK8 2005....did you find a solution?

Posted on Jan 04, 2011

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2007 Buick Rendezvous park aid does not work. How to fix it?


The ultrasonic rear parking assist (URPA)
The URPA is equipped with a switch located above the driver information center (DIC) that can be used to disable the system.Do you have it disabled ?
Diagnostic Trouble Code (DTC) Displaying
This vehicle is equipped with an on-board diagnostic display feature capable of displaying diagnostic trouble codes using the 3 indicators on the rear parking assist display. After the bulb check has been completed, the red outside indicator flashes to indicate a malfunction with the system. The module disables operation of the URPA system under this condition.
In order to enter the diagnostic mode, complete the following actions:
With the ignition turned OFF, short the rear parking assist diagnostic connector to ground while the vehicle is in PARK. For the location of the rear parking assist (RPA) diagnostic connector, refer to Object Detection Component Views . It's under the front of the center console , by the BCM - body control module.
Turn ON the ignition.
Place foot on the brake.
Shift the vehicle into REVERSE within 5 seconds.
If the vehicle is not shifted into reverse within 5 seconds after turning the ignition ON, the diagnostic mode will still be initiated. However, a reverse input wiring fault will be registered as sequence #7 as shown in the Diagnostic Indicator table below. Refer to Diagnostic Trouble Code (DTC) Clearing for the specific steps on how to clear diagnostic trouble codes. After the reverse input wiring code is cleared, repeat the diagnostic trouble code displaying steps in order to enter the diagnostic mode.
When the diagnostic mode is first entered, the rear parking assist display displays the amber outside indicator and the red outside indicator. Then, the indicators on the rear parking assist display will display one or more of the sequences in the table below to indicate where the fault exists within the rear parking assist system. Refer to Diagnostic Trouble Code (DTC) Clearing for the specific steps on how to clear diagnostic trouble codes.

Diagnostic Indicators #
State/Fault Location
Amber Outside
Amber Middle
Red Outside
Flashing
1
Start of Diagnostics
X
--
X
--
2
RR Corner Object Sensor and Wiring
X
--
--
--
3
RR Middle Object Sensor and Wiring
X
X
--
--
4
LR Middle Object Sensor and Wiring
--
X
X
--
5
LR Corner Object Sensor and Wiring
--
--
X
--
6
Chime Warning Wiring
--
X
--
--
7
Reverse Input Wiring
--
X
--
X
8
Important: This diagnostic pattern sets for an open sensor supply voltage circuit and sensor low reference circuit.
Sensor Supply Voltage Circuit and Sensor Low Reference Circuit
X
X
X
X
Flashes in the following sequence:
Amber Outside
Amber Outside and Amber Middle
Amber Middle and Red Outside
Red Outside
9
Important: This diagnostic pattern sets for a short to ground in the sensor supply voltage circuit.
Sensor Supply Voltage Circuit
X
X
X
--

Feb 01, 2018 | Buick Cars & Trucks

1 Answer

Porsche cayenne 04 rear sensors indicators show red and dont go green, front ok


So I understand this to mean the proximity sensors designed to detect obstructions when backing are not working? Do these tie into the computer so that they could result in malfunction codes?
This video is obviously not Porsche but it may be helpful for diagnosis.

I also found this:
Check the parking sensors control unit to see if it is wet or damp from water in that location. It is located in the rear storage area of your Cayenne. Open the rear door then pull open the cover on the left side and sitting on the bottom just aft of the left wheel well it is a little black box that controls your parking sensorsystem. If it gets wet you will have issues or failure of your parking sensor system. If it gets or was wet or damp back there you will have to dry the unit off, if it has shorted/burnout the control unit will need to be replaced. For a short term fix dry the control unit off and place it in a plastic bag to prevent it from any water in the future. Then you will have time to look and see why water is getting in that area.... This has been a common problem....

Someone else reported that they reached up behind the bumper and found the rear of the sensors coverd with mud and clearing them off fixed the problem.

Rennlist is a good resource:

Parking sensors not working intermittent Rennlist Discussion Forums

Jan 09, 2015 | Porsche Cars & Trucks

1 Answer

Had the rac come to my audi a4 sport because when a put it into reverse the automatic reverse would not engage when i put it into park then reverse it engaged but then all prnds kept flashing and the...


Definition of check engine code P1119:
Citroen/Peugeot:
Manifold Absolute Temperature Circuit High Input
Daewoo:
INLET METERING VALVE CONTROL
Ford:
Manifold Absolute Temperature Circuit High Input
GM:
ECT Signal Out-Of-Range With TFT Sensor
Lincoln:
Manifold Absolute Temperature Circuit High Input
Mercury:
Manifold Absolute Temperature Circuit High Input
Nissan:
Radiator Temperature Sensor Circuit
Oldsmobile:
Manifold Absolute Temperature Circuit High Input
Porsche:
Oxygen Sensor Heating
Volkswagen/Audi:
O2 Sensor Heater Circ.,Bank2 - Sensor1 Short to Ground
Volvo:
O2 Sensor Heater Circ.,Bank2 - Sensor1 Short to Ground

Nothing to do with the gearbox!

Nov 11, 2017 | Audi A4 Cars & Trucks

2 Answers

My 2007 Yukon has a problem with the park assist sensors. When I go in reverse sometimes, the warning beep repeats quickly and the lights flash like crazy but nothing is behind the vehicle. Sometimes the...


Check the system for DTC'S - diagnostic trouble codes should be the first step in the diagnostic process . Then reading factory service repair manual how the system works , viewing wiring diagrams .
Object Detection Description and Operation
Ultrasonic Rear Park Assist Operation
The ultrasonic rear park assist system senses how close the vehicle is to an object. The distance is determined by the 4 object sensors located in the rear bumper. The object detection system will notify the driver when backing up at speeds less than 8 km/h (5 mph). The object detection system will use the rear parking assist (RPA) display and the radio speakers for notification.
When the ignition is ON and the vehicle is placed into reverse, the object detection system performs a bulb check. During the bulb check, the 3 indicators on the RPA will illuminate for approximately 2 seconds to indicate that the system is working. The object detection system performs a bulb check and operates when the following conditions are present:
• The ignition is ON.
• The vehicle is placed in REVERSE (R) for rear parking aid.
• The vehicle speed is less than 8 km/h (5 mph). At speeds greater than 8 km/h (5 mph), the object detection system is disabled. The red indicator flashes to warn the driver that the object detection system is disabled.
The object detection system senses how close the vehicle is to an object. The distance is determined by the 4 object sensors located on the rear bumper. When the system detects an object, one of the following will occur:
• If the object is less than 0.3 m (11 in) away from the vehicle, the amber outside, amber middle, and the red outside indicators flash and the chime sounds continuously for 3 seconds.
• If the object is less than 0.3-0.5 m (11-20 in) away from the vehicle, the amber outside, amber middle, and the red outside indicators are ON.
• If the object is 0.5-1.0 m (20-40 in) away from the vehicle, the amber outside, and the amber middle indicators are ON.
• If the object is 1-2.3 m (40-91 in) away from the vehicle, the amber outside indicator is ON with a single chime when the object is first detected.
Object detection system can detect objects 7.6 cm (3 in) wide and at least 25.4 cm (10 in) tall. It cannot detect objects above the level of the roof.
If the object detection system detects a malfunction, a diagnostic trouble code (DTC) will be stored and the object detection system will send a serial data communication message to the instrument panel (I/P) to SERVICE PARK ASSIST message on the driver information center (DIC). Then the chime will sound and the red indicator on the information telltale center will be lit continuously. The red LED in the rear display will be lit, notifying the driver that a malfunction exists. Message will clear once the driver acknowledges it.
Each object sensor is a three wire sensor that is both a transmitter and a receiver that comprises a signal circuit, a low reference circuit, and an 8-volt supply voltage circuit. The rear object control module supplies 8 volts to the object sensors via the object sensor supply voltage circuit and provides ground via the low reference circuit. The rear object control module triggers the sensors in a sequential loop and after each sensor transmits, the rear object control module uses the echo or signal return to calculate the distance and position of an object from the rear bumper. The rear object control module directly controls the RPA display.

Do you know what DTC'S are ?
DTC B0958 01: Parking Aid Rear Sensor 1 Left Corner Circuit Short to Battery
DTC B0958 06: Parking Aid Rear Sensor 1 Left Corner Circuit Short to Ground or Open
DTC B0958 08: Parking Aid Rear Sensor 1 Left Corner Circuit Signal Invalid
DTC B0958 21: Parking Aid Rear Sensor 1 Left Corner Circuit Incorrect Period
DTC B0959 01: Parking Aid Rear Sensor 1 Left Middle Circuit Short to Battery
DTC B0959 06: Parking Aid Rear Sensor 1 Left Middle Circuit Short to Ground or Open
DTC B0959 08: Parking Aid Rear Sensor 1 Left Middle Circuit Signal Invalid
DTC B0959 21: Parking Aid Rear Sensor 1 Left Middle Circuit Incorrect Period

DTC B0967 02: Parking Aid Switch Circuit Short to Ground
DTC B0968 00: Parking Aid Indicator Circuit


Your best bet , take it to a qualified repair shop.

Feb 04, 2018 | GMC Yukon Cars & Trucks

1 Answer

When i put my jeep in reverse my parking sensors continually beep . one of the sensors has some corrosion on it the other three dont.


the corrosion hase shorted out the sensor,clean with lemon juice(really)should get off the s...

Apr 18, 2010 | 2001 Jeep Cherokee

2 Answers

Sensor beeping continously in reverse


Try to clean rear parking sensors. Check also electric cables and connections, clean if necessary. Commons faults are sensors out of order. If one or more sensors faults you hear only a continous constant noise when you put in "R" gear. You need a VAS, VAG-COM, Bosch KTS, ... diagnosis scantool. The factory parking system will be scaned from errors with this instrument, and you will find exactly which sensors are out of order (for example: rear left center sensor, rear right side sensor break off, short to ground or short to plus).

Mar 28, 2010 | 2003 Volkswagen Passat

1 Answer

Accoustic park assist makes long beep rather than beep beep


the long beep is to tell you its on.try asking someone to walk past when your in reverse about 18 inches from the bumper if it dont beep beep then try cleaning sensors.if that dont work then a sensor could be faulty..

Mar 10, 2010 | 2002 Audi A6

1 Answer

Parking sensors stopped working on my 2000 s type


Thats the fail for the sensors, try puting ingnition on, dont start the car, then put it in to reverce  and put your ear to the sensors check them all they should click any that dont are faulty   D 

Feb 07, 2009 | 2000 Jaguar S-Type

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