[ciars]

Instructions to access the hidden OBC functions:

• 1. Hold Trip Reset while turning ignition key to on position
• 2. OBC should show "Test"
• 3. Use Trip Reset to select function 19.0 that unlocks all the features
• 3. Wait for display to show "Off"
• 4. Depress Trip Reset for 1/4 second and release it
• 5. With no delay press Trip Reset several times to select one of the following functions

BMW E46 On-Board Computer (OBC) Hidden Codes:

1 Car Engine and cluster data

• 1.0 46nnn Chassis nr/VIN serial number (last 5 digits)
• 1.1 4nnn K-number
• 1.2 690236 Cluster Part #
• 1.3 045210 Coding (04)/diagnosis (52)/bus index (10)
• 1.4 1200 Week (12)/year of manufacture (2000)
• 1.5 09_160 Hardware (09) and software # (16.0) of cluster
• 1.6 Not used
• 1.7 04__44 CAN-version (04) KI-revision index (44)

2 (test) Cluster System Test - Activates the gauge drivers,
indicators and LEDs to confirm function

3 SI Data

• 3.0 1098 Used fuel in liters since last SI (Service Inspection)
• 3.1 0231 Periodic inspection days; elapsed days (since last SI)

4 Momentary Consumption

• 4.0 0145+ Instant fuel consumption - 0145=14.5 liters/100km
• 4.1 0018 Instant fuel consumption - 0018=1.8 l/Hour

5 Distance Gone Consumption

• 5.0 082 Average mileage; 082=8.2 liters/100km
• 5.1 0536 Calc. km to refuel (momentary distance to go)

6 Fuel Level sensor inputs in liters

• 6.0 109330+ Fuel level averaged; Left half sensor input=10.9 liters; Right sensor input=33.0 liters
• 6.1 0439+ Total tank level averaged; vlgs 6.0: 10.9+33.0=43.9 liters
• 6.2 0442+ Indicated value (44.2) and tank phase

7 Temperature and Speed

• 7.0 021+ Coolant/Engine temperature (2.1C)
• 7.1 130 Ambient/Outside temperature - chg met 5 pts. 125/130/135
• 7.2 + Engine speed / Current RPMs 1/min
• 7.3 + Vehicle speed / Current Speed in km/hour

8 Input value in HEX form

• 8.0 1d0+ System voltage ADC-Value Hex code
• 8.1 26C33C+ ADC Values HG left/HG right
• 8.2 0000 ADC Value brake degradation sensor (000=o.k.)
• 8.3 18C ADC Value outside temperature

9 Battery

• 9.0 140 Battery Voltage - 140 = UB 14.0v
• 9.1 242013+?
• 9.2 074_78+?
• 9.3 0011+?

10 Not used
11 Not used
12 Not used

13 GonG Gong Test

14 Not used

15 Status cluster I/O-ports (bit codes) 0=low; 1=high

• 1 belt contact, seat belt fastened=0;
• 2 ignition lock contact, key inserted=0;
• 3 door contact, door open=0;
• 4 clock button pressed=0;
• 5 SI reset=0, for reset=0;
• 6 EGS transmission failure=0

Status Digital Outputs (bits) 0=inactive, 1=active

• 1 Gong output;
• 2 Brake warning lamp;
• 3 Low fuel warning lamp;
• 4 EGA lamp;
• 5 seat belt lamp;
• 6 manipulation dot

16 Not used
17 Not used
18 Not used

19 Lock Status; unlocks functions in range 3-18

• 19.0 L-On/L-Off Unlock: press button when "L-Off"

20 Not used

21 Software Reset; reset OBC settings

00 End of test

 

[nigzcurran]

cheers for that, any idea how i change my display from KM/L back to MPG please?

 

[John_D]

Think you have to plug it in to change that, eg carsoft inpa etc...

 

[nigzcurran]

Think you have to plug it in to change that, eg carsoft inpa etc...

arse was hoping it would be a simple fix, cheers anyhow

 

[Northern Monkey]

cheers for that, any idea how i change my display from KM/L back to MPG please?

I think you do that through the radio.

 

[BMWcare]

Deleted due to departure

 

[nigzcurran]

cheers eddie oil give that ago tonight so

 

[the situation]

didn't work for me

 

[jaybee1976]

what does it mean if I can't get test to come up?

 

[TheRev]

what does it mean if I can't get test to come up?

That your left filangee needs to be remorphidefied...

Sent from my magical talkie device

 

[jaybee1976]

That your left filangee needs to be remorphidefied...

Sent from my magical talkie device

that's what I thought, just needed confirmation....!!

the previous owner's changing of the amber to blue leds for instruments appears to be the source of every niggle in my car!!