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HDC Fault, Lowered Suspension Help - Fault Codes in Post
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FG76
 


Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10

Scotland 2007 Discovery 3 TDV6 XS Manual Unknown ColourDiscovery 3
HDC Fault, Lowered Suspension Help - Fault Codes in Post

I'm really hoping that someone can help point me in the right direction to getting my Land Rover back on the road.
It goes in to limp mode and has zero power after driving a few yards.
This is a Discovery 3, Manual, 2008 TDV6 with 123000 miles.
I have changed the battery since this happened but it hasn't solved it, although it's starting great now compared to the slow turn over before. I have also changed the brake light switch and had the steering angle sensor calibrated.
Thanks in advance for any suggestions.

Here are the codes from my IID Tool;
Body Control
• B1B70-81 ( 2E ) Local interconnection network bus circuit 2 - Bus signal/message failure - invalid serial data received
( on 18-03-2020 11:52:12 at 198270 km )
• U2001-68 ( 6C ) Reduced system function - Algorithm based failure - event information
( on 17-03-2020 09:19:48 at 198270 km )
Engine TDV6
• P0405-21 ( 2D ) Exhaust gas recirculation sensor A - circuit low - General signal failure - signal amplitude<minimum
• P140A-21 ( 2D ) Exhaust gas recirculation sensor C - circuit low - General signal failure - signal amplitude<minimum
• P117D-00 ( 6C ) Fuel volume regulator control exceeded maximum control limit
Instrument Pack
• U0132-87 ( 2E ) Lost communication with ride level control module - Bus signal/message failure - missing a message
Parking Brake
• C1A00-16 ( A8 ) Control module - General electrical failure - circuit voltage below threshold
( on 17-03-2020 12:50:10 at 198272 km )
• U0100-87 ( A8 ) Lost communication with engine control module/powertrain control module 'A' - Bus signal/message failure - missing a message
( on 13-03-2020 01:56:11 at 198272 km )
Steering Angle
• U0300-55 ( 28 ) Internal control module software incompatibility - System programming failure - is not configured
( on 24-05-2021 16:05:28 at 198272 km )
Ventilation
• B1B74-00 ( 28 ) Front foot-defrost mode stepper actuator
( on 13-03-2020 21:49:52 at 198272 km )
• B1B75-00 ( 6C ) Front foot-face mode stepper actuator
( on 13-03-2020 21:49:52 at 198272 km )
• B1B76-00 ( 68 ) Front left air blend stepper actuator
( on 13-03-2020 21:49:57 at 198272 km )
• B1B77-00 ( 68 ) Front right air blend stepper actuator
( on 13-03-2020 21:49:51 at 198272 km )
• B1B78-84 ( 2F ) System pressure - Bus signal/message failure - signal is below allowable range
( on 13-03-2020 01:54:44 at 198270 km )  
Post #212912618th Mar 2020 1:46 pm
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1783

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

It seems "power" problems. Was the replaced battery new? Need to measure battery voltage. If you do a reset (battery leads together - not battery terminals) do any codes come back.  
Post #212935519th Mar 2020 9:46 am
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FG76
 


Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10

Scotland 2007 Discovery 3 TDV6 XS Manual Unknown ColourDiscovery 3

These are the codes that come back after resetting and driving for 100 yards.

Engine TDV6
• P2290-00 ( 2F ) Injector control pressure too low
Instrument Pack
• B1A87-68 ( 2F ) Battery disconnection/electronic control unit reset - Algorithm based failure - event information
Parking Brake
• U0100-87 ( EB ) Lost communication with engine control module/powertrain control module 'A' - Bus signal/message failure - missing a message
( on 19-03-2020 17:33:45 at 198274 km )
Vehicle Dynamic
• U0401-68 ( 2B ) Invalid data received from engine control module/powertrain control module - Algorithm based failure - event information
( on 19-03-2020 17:33:44 at 198274 km )
Ventilation
• B1B74-00 ( 2E ) Front foot-defrost mode stepper actuator
( on 13-03-2020 22:46:04 at 198272 km )
• B1B75-00 ( 2F ) Front foot-face mode stepper actuator
( on 13-03-2020 22:46:04 at 198272 km )
• B1B76-00 ( 2F ) Front left air blend stepper actuator
( on 13-03-2020 22:46:09 at 198272 km )
• B1B77-00 ( 2F ) Front right air blend stepper actuator
( on 13-03-2020 22:46:03 at 198272 km )
• B1B78-84 ( 2F ) System pressure - Bus signal/message failure - signal is below allowable range
( on 13-03-2020 02:50:56 at 198270 km )  
Post #212975220th Mar 2020 9:03 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1783

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

They still look like power problems. Have you checked the connector to the module behind the battery box as this can give problems if corroded. May need to remove battery to get to it.
What codes after resetting do you get with just the engine running and the vehicle not moving.  
Post #212975620th Mar 2020 9:26 am
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FG76
 


Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10

Scotland 2007 Discovery 3 TDV6 XS Manual Unknown ColourDiscovery 3

Will try that later and let you know.
Thanks for the advice.  
Post #212984920th Mar 2020 2:37 pm
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FG76
 


Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10

Scotland 2007 Discovery 3 TDV6 XS Manual Unknown ColourDiscovery 3

Hi Globetrotter. The car is parked at my work depot so I can't get up there that much, hence the delay in getting back to you.
I checked behind the battery box and all is okay.
These are the codes.
Engine TDV6
• P0405-21 (2 D) Exhaust gas recirculation sensor A - circuit low - General signal failure - signal amplitude<minimum
• P140A-21 (2 D) Exhaust gas recirculation sensor C - circuit low - General signal failure - signal amplitude<minimum
• P2290-00 (6 C) Injector control pressure too low
Instrument Pack
• U0132-87 (2 C) Lost communication with ride level control module - Bus signal/message failure - missing a message
• U0184-87 (2 C) Lost communication with audio unit - Bus signal/message failure - missing a message
• B1A87-68 (2 F) Battery disconnection/electronic control unit reset - Algorithm based failure - event information
Parking Brake
• U0100-87 (A 8) Lost communication with engine control module/powertrain control module 'A' - Bus signal/message failure - missing a message
( on 21-03-2020 13:45:51 at 198274 km )
Ventilation
• B1B78-84 (2 F) System pressure - Bus signal/message failure - signal is below allowable range
( on 19-03-2020 18:59:39 at 198274 km )  
Post #214057423rd Apr 2020 10:24 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1783

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

All of those seem to indicate "Low Power". So maybe the battery connections or an earth connection.  
Post #214058023rd Apr 2020 10:39 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20731

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

P2290

Replace fuel filter with OEM or genuine LR part and test

If fault still present, check LPFP output

If all is OK, its most likely a faulty HPFP My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #214060123rd Apr 2020 11:47 am
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FG76
 


Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10

Scotland 2007 Discovery 3 TDV6 XS Manual Unknown ColourDiscovery 3

Thanks guys. I'm going to get all of these things checked as soon as I can.
Really appreciate the advice.
Frazer.  
Post #214127825th Apr 2020 12:50 pm
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FG76
 


Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10

Scotland 2007 Discovery 3 TDV6 XS Manual Unknown ColourDiscovery 3

Disco Mikey.

Turned out to be HPFP after all.
Thanks for the advice.

Frazer.  
Post #214731119th May 2020 3:36 pm
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