9 replies to this topic

[wfdTamar]

I bought a used Octavia which comes with a 3 month statutory warranty. I read the fault codes with my VCDS and got a few. The place I bought it from are saying, 'just delete them they mean nothing. They get caused by voltage fluctuations.' My thinking is they indicate potential or actual problems and should be investigated (as they could be subject to a claim on the warranty).

I don't have any lights on the dash and the car seems to run fine.


Here's the faults:
-------------------------------------------------------------------------------
Address 01: Engine     Labels: 03G-906-021-BMM.clb

1 Fault Found:
012295 - Camshaft Position Sensor (G40)
   P3007 - 000 - No Signal - Intermittent
Freeze Frame:
    Fault Status: 00110000
    Fault Priority: 3    (this is on a 1-5 scale, 5 being most serious)
    Fault Frequency: 254 (the maximum that can be stored. It could be higher than that)
    Mileage: 65557 km
    Time Indication: 0
    Date: 2000.00.00 (I've read that the date is not registered right)
    Time: 16:30:08

Freeze Frame:
    RPM: 1659 /min
    Speed: 5.0 km/h
    Load: 38.4 %
    Voltage: 14.21 V
    Bin. Bits: 00001100
    Idle Stabilization: 18.1°KW
    (no units): 48.0

-------------------------------------------------------------------------------
Address 01: Engine     Labels: Redir Fail!

1 Fault Found:
000833 - Camshaft Position Sensor (G40)
   P0341 - 000 - Implausible Signal - Intermittent
Freeze Frame:
    Fault Status: 00110000
    Fault Priority: 3
    Fault Frequency: 254
    Mileage: 65557 km
    Time Indication: 0
    Date: 2000.00.00
    Time: 16:30:08

Freeze Frame:
    RPM: 1659 /min
    Speed: 5.0 km/h
    Load: 38.4 %
    Voltage: 14.21 V
    Bin. Bits: 00001100
    Idle Stabilization: 18.1°KW
    (no units): 48.0


This is what the Ross-Tech says about the codes:
19463/P3007/012295 - Camshaft Position Sensor (G40): No Signal

Possible Symptoms
Malfunction Indicator Light (MIL) ON
Possible Causes
Fuse(s) faulty
Wiring and/or Connector(s) from/to Camshaft Position Sensor (G40) faulty
Camshaft Position Sensor (G40) faulty
Possible Solutions
Check Fuse(s)
Check Wiring and/or Connector(s) from/to Camshaft Position Sensor (G40)
Check/Replace Camshaft Position Sensor (G40)



16725/P0341/000833 - Camshaft Position Sensor (G40): Implausible Signal

Possible Symptoms
Malfunction Indicator Light (MIL) active
Possible Causes
Wiring from/to Camshaft Position Sensor (G40) faulty
Camshaft Position Sensor (G40) faulty
Timing misaligned
Possible Solutions
Check Wiring from/to Camshaft Position Sensor (G40)
Check Camshaft Position Sensor (G40)
Check Timing

-------------------------------------------------------------------------------
Address 08: Auto HVAC     Labels: 1K0-907-044.lbl

1 Fault Found:
01317 - Control Module in Instrument Cluster (J285)
    004 - No Signal/Communication - Intermittent


Address 09: Cent. Elect.     Labels: 3C0-937-049-30-H.lbl

2 Faults Found:
02071 - Local Databus
    004 - No Signal/Communication - Intermittent
Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 2
    Fault Frequency: 5
    Reset counter: 143
    Mileage: 0 km
    Time Indication: 0
    Date: 2005.09.13
    Time: 31:63:63

01317 - Instrument Cluster (J285): No Communications
Possible Causes
CAN-Databus Wiring/Connectors from/to Instrument Cluster (J285) faulty
Fault(s) stored in Instrument Cluster (J285)
Possible Solutions
Check CAN-Databus Wiring/Connectors from/to Instrument Cluster (J285)
Check Measuring Value Blocks (MVB)
Usually Measuring Value Blocks (MVB) 125+ show the current Communication Status

-------------------------------------------------------------------------------
Address 09: Cent. Elect.     Labels: 3C0-937-049-30-H.lbl

2 Faults Found:
02071 - Local Databus
    004 - No Signal/Communication - Intermittent
Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 2
    Fault Frequency: 5
    Reset counter: 143
    Mileage: 0 km
    Time Indication: 0
    Date: 2005.09.13
    Time: 31:63:63

Freeze Frame:
    OFF
    Voltage: 12.15 V
    OFF
    ON
    OFF
    OFF
    OFF

02071 - Local Databus: No Signal/Communication
Possible Symptoms
Control Modules connected to Local Databus not functioning
Possible Causes
Wiring/Connectors from/to Control Modules in Local Databus faulty
Control Module in Local Databus faulty
Possible Solutions
Check/Repair Wiring/Connectors from/to Control Modules in Local Databus
Check/Replace Control Module in Local Databus

-------------------------------------------------------------------------------
Address 17: Instruments     Labels: 1K0-920-xxx-17.lbl

2 Faults Found:
01299 - Diagnostic Interface for Data Bus (J533)
    004 - No Signal/Communication - Intermittent
Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 2
    Fault Frequency: 2
    Reset counter: 145
    Mileage: 1048575 km
(bit worried about what this means. Has the car really done this many km's but the signal to odometer has not been getting through? Car shows 67,000 km on the odometer)
    Time Indication: 0

01299 - Diagnostic Interface for Data Bus (J533)
    008 - Implausible Signal - Intermittent
Freeze Frame:
    Fault Status: 00101000
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 154
    Mileage: 1048575 km
    Time Indication: 0

01299 - Diagnostic Interface for Data Bus (J533): No Communications
Possible Symptoms
Warning Lamp On
Possible Causes
Wiring Harness Issue
Defective Control Module
Possible Solutions
Notes
If the fault is only found in one control module, then most likely that module is the issue. However, if the fault is found several different control modules, then the CAN Gateway could be the issue.

[stever750]

I wouldn't be surprised if most cars are driving around stuffed full of fault codes that are minor discrepencies between sensors and controllers. Imagine a world where windows works reliably 100% of the time..and before anyone shouts Mac! that's the equivalent of comparing a bicycle.

[bearthebruce]

Camshaft position sensor needs attention.  The others many not be a real concern.  The camshaft position sensor will effect the performance of engine so I would think you would want to resolve that.

[LB123]

I would inform the garage you are going to log and record these codes, then show them a printed record and then clear them. If any return, and I suspect the cam sensor ones will, then you will expect them to sort it out at their expense. See if they are happy with this. If not then they can clear them and sort any recurring codes.

[xreyuk]

Any idea why the dates seem to go a bit bonkers?

[john.errington]

When my Volvo had problems - started dropping into limp home mode-  the local guy (Paul at Blueline Taxis -they are great!) checked the codes.  There was a million.  The codes had never been cleared for at least 6 years.
He cleared them all and I drove around for a few miles and returned.  Only two fault codes appeared.
1: the internal air temp sensor (which got a blast from an air line; that fixed it!)
2: a wheel sensor.

I'd advise anyone to ignore fault codes if they have not been cleared recently, you will be chasing rainbows.  If theres a real fault it will appear in a week or so's driving.

[rwbaldwin]

Mileage: 1048575 km (1048575 is 1111 1111 1111 1111 1111 in binary or -1 in decimal)

Clear the codes and see what returns.

[john.errington]

And interestingly 65557 km aint far off 65535

many digital systems experience glitches when a lot of bit values go from 1 to 0 at the same time.
1048575 is 1111 1111 1111 1111 1111 in binary
1048576 is 1 0000 0000 0000 0000 0000

[Volvomeg]

Erase them and run car a couple of days, if they come back then worry about getting them investigated

[wfdTamar]

New sensor solved the cam one. The others have gone after clearing.