Hi everyone, I'm new here and wanted to see if any of you experienced LR3 guys could help me out. I have a 2005 LR3 4.4L SE. Below is a timeline of what is going on. Thanks for any assistance that can be provided.
Current Symptoms
When pressing the brakes, it’s either all or nothing. Doesn’t seem to be an in between.
Park assist beep is gone.
Park assist light on button is blinking at all times.
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Current DTCs
Normal Aspirated Petrol V8
P0171 System too lean Bank 1
P0174 System too lean Bank 2
U0121 Lost communication with ABS control module
Auto Gearbox
U0122 - Lost communication with vehicle dynamics control module.
U0416 - Invalid data received from vehicle dynamics control module.
ABS
U1A4A Invalid data received from differential control module - rear.
U0403 Invalid data received from transfer case control module
C1A00 Control module.
SRS
U0122 - Lost communication with vehicle dynamics control module
B1A00 Control module
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Work performed
Replaced Brake Switch (It was worn out/partially broken. Did not solve any codes)
Replaced Starter Relay (Resolved Intermittent starting issue)
Sealed windshield cowling with UV resistant duct tape. (Resolved water in floorboard issue)
Replaced transmission and torque converter with a used unit. Reused TCM. Reset transmission adaptions. (Resolved Flaring RPMs, Clunk from 2nd to 1st downshift and delayed reverse engagement)
Replaced transmission cooler with a stand alone unit, fan and temp controller. (To help prevent overheating and any possibility of future glycol contamination)
Replaced battery
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Previous Symptoms
Flaring RPMs (especially on hill ascent)
Clunk from 2nd to 1st down shift
Delayed reverse engagement
A lot of water in floor after it rained
When pressing the brakes, it’s either all or nothing. Doesn’t seem to be an in between.
Park assist beep is intermittent/crackling.
Intermittent starting issue
———————————————————————————————————————
Previous DTCs
Auto Gearbox
P0730 Incorrect gear ratio
P0741 Torque converter clutch solenoid - circuit performance or stuck off.
U0155 - Lost communication with instrument cluster control module.
U0122 - Lost communication with vehicle dynamics control module.
U0416 - Invalid data received from vehicle dynamics control module.
ABS
U1A4A Invalid data received from differential control module - rear.
C1A00 Control module.
SRS
U0122 - Lost communication with vehicle dynamics control module
Current Symptoms
When pressing the brakes, it’s either all or nothing. Doesn’t seem to be an in between.
Park assist beep is gone.
Park assist light on button is blinking at all times.
———————————————————————————————————————
Current DTCs
Normal Aspirated Petrol V8
P0171 System too lean Bank 1
P0174 System too lean Bank 2
U0121 Lost communication with ABS control module
Auto Gearbox
U0122 - Lost communication with vehicle dynamics control module.
U0416 - Invalid data received from vehicle dynamics control module.
ABS
U1A4A Invalid data received from differential control module - rear.
U0403 Invalid data received from transfer case control module
C1A00 Control module.
SRS
U0122 - Lost communication with vehicle dynamics control module
B1A00 Control module
———————————————————————————————————————
Work performed
Replaced Brake Switch (It was worn out/partially broken. Did not solve any codes)
Replaced Starter Relay (Resolved Intermittent starting issue)
Sealed windshield cowling with UV resistant duct tape. (Resolved water in floorboard issue)
Replaced transmission and torque converter with a used unit. Reused TCM. Reset transmission adaptions. (Resolved Flaring RPMs, Clunk from 2nd to 1st downshift and delayed reverse engagement)
Replaced transmission cooler with a stand alone unit, fan and temp controller. (To help prevent overheating and any possibility of future glycol contamination)
Replaced battery
———————————————————————————————————————
Previous Symptoms
Flaring RPMs (especially on hill ascent)
Clunk from 2nd to 1st down shift
Delayed reverse engagement
A lot of water in floor after it rained
When pressing the brakes, it’s either all or nothing. Doesn’t seem to be an in between.
Park assist beep is intermittent/crackling.
Intermittent starting issue
———————————————————————————————————————
Previous DTCs
Auto Gearbox
P0730 Incorrect gear ratio
P0741 Torque converter clutch solenoid - circuit performance or stuck off.
U0155 - Lost communication with instrument cluster control module.
U0122 - Lost communication with vehicle dynamics control module.
U0416 - Invalid data received from vehicle dynamics control module.
ABS
U1A4A Invalid data received from differential control module - rear.
C1A00 Control module.
SRS
U0122 - Lost communication with vehicle dynamics control module