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RRBlue
Member Since: 26 Dec 2013
Location: Cambridge
Posts: 42
  
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Whilst the car works perfectly, have had one or two seemingly unrelated problems recently:
1. Satnav not accepting destination on 50% of journeys.
2. Cellphone will not connect by bluetooth on 50% of journeys. Linked to the above problem.
3. Gearbox fault warning (twice)
I have checked the codes with my iiD tool and the list is below. My suspicion is that the battery may be in the early stages of decline, even though there are no starting issues and the voltage reading on the iiD tool ranges between 12.2V and 14V. Does this seem plausible?
L319 - Discovery 4 2015
Vehicle scanned on 30-07-2023 07:47
Using IIDTool BT V3.0 B2728
BCM-Body Control
U0241-00 (2C) Lost communication with the headlamp control module A
( on 13-04-2023 09:15:28 at 146790 km )
B1C44-67 (68) Rear wiper park position switch - Algorithm based failure - signal is incorrect after the event
( on 29-05-2023 12:48:40 at 151237 km )
HVAC-Ventilation
B1081-49 (28) Left temperature damper motor - System internal failure - internal electronic failure
( on 22-07-2023 14:52:02 at 155017 km )
B13C2-86 (2C) Windshield misting sensor - Bus signal/message failure - signal is invalid
( on 29-04-2023 16:23:10 at 148266 km )
B13C2-96 (2C) Windshield misting sensor - Component failure - internal failure
( on 29-04-2023 16:23:10 at 148266 km )
IPMB-Camera
U0140-08 (28) Lost communication with body control module - General failure information - bus signal/message failure
( on 29-12-2028 14:54:20 at 23 km )
PCM-Engine Diesel 3.0L
P2264-00 (28) Water in fuel sensor circuit
( on 21-07-2023 11:04:45 at 154732 km )
TCCM-Transfer Case
P0562-00 (2C) System voltage low
( on 06-07-2023 18:59:01 at 153468 km )
TCM-Transmission 8spd
P279D-64 (2C) Four wheel drive range signal circuit - Algorithm based failure - signal plausibility failure
( on 21-06-2023 09:01:02 at 152534 km ) Discovery 4 3.0 HSE Lux, 2015
Discovery 4 3.0 HSE, 2011
Range Rover 5.0 SC, 2014
Range Rover 4.2 SC, 2005
Range Rover 4.4, 2002
Freelander 2 TD4 HSE 2010
Freelander 2 TD4.e 2009
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 30th Jul 2023 10:38 am |
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RRBlue
Member Since: 26 Dec 2013
Location: Cambridge
Posts: 42
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Well I think it was battery related. I checked all the usual wiring and spent hours with my multimeter checking everything and whilst voltage readings were not at the top of the range, they were not at the bottom.
Quite by chance, I caught my hand on the the positive battery terminal whilst the car was ticking overt and burned myself. I rechecked the terminal clamp and it was clean and tight. However, there is a small 10mm bolt that connects the terminal clamp to the big red positive feed and that was not tight. It had some sealant on it which kept it stable but it was loose. I tightened that and all seems well: codes cleared. We will now wait and see if the occasional 'Gearbox fault' and intermittent loss of bluetooth sort themselves out.
The only downside is that the wretched eco stop/start now works again. Discovery 4 3.0 HSE Lux, 2015
Discovery 4 3.0 HSE, 2011
Range Rover 5.0 SC, 2014
Range Rover 4.2 SC, 2005
Range Rover 4.4, 2002
Freelander 2 TD4 HSE 2010
Freelander 2 TD4.e 2009
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| 1st Aug 2023 5:29 pm |
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jueetec
Member Since: 16 Sep 2023
Location: Zorneding
Posts: 6
 
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Thank you for sharing your experience, @RRBlue.
I got the feeling I have something similar on my 319 and will check/observe accordingly.
Will share my findings here as well.
My current fault list:
ABS-Brake Module
U0421-68 - Invalid data received from ride level control module - Algorithm based failure - event information (28)
( on 07-12-2023 14:06:30 at 179670 km )
ACM-Audio System
B119F-13 - GPS antenna - General electrical failure - circuit open (28)
AHCM-Auxilary Heater
U3000-16 - Control module - General electrical failure - circuit voltage below threshold (28)
( on 08-01-2024 09:26:05 at 181614 km )
HVAC-Ventilation
B13C2-86 - Windshield misting sensor - Bus signal/message failure - signal is invalid (2B)
( on 24-10-2023 17:25:05 at 177161 km )
B13C2-96 - Windshield misting sensor - Component failure - internal failure (2B)
( on 24-10-2023 17:25:05 at 177161 km )
IPMB-Camera
U0140-08 - Lost communication with body control module - General failure information - bus signal/message failure (28)
( on 01-02-2028 09:31:32 at 187 km )
RLM-Suspension
C1A20-64 - Pressure increases too slow when filling reservoir - Algorithm based failure - signal plausibility failure (68)
( on 07-12-2023 14:06:30 at 179670 km )
The time stamp and the odometer reading of the IPMB Camera fault is quite interesting ...
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| 9th Jan 2024 8:41 am |
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