Power Steering Intermittently In Default Mode (32 02 00)

POWER STEERING INTERMITTENTLY IN DEFAULT MODE

TECHNICAL SERVICE BULLETIN

SUBJECT

Power Steering Intermittently in Default Mode

SITUATION

Intermittently, and immediately after starting the engine, the Servotronic goes into default mode. In this mode, power assistance continues to operate, but is no longer speed dependent. Normal function is restored if the ignition is switched off, then on again.

Fault code 130 (Speedo signal interrupted) is set in the General Module. Note that if this fault is stored more than 30 times, the Servotronic will remain permanently in default mode.

CAUSE

Hardware fault in DSC control module.

CORRECTION

On a customer complaint basis only, install DSC module repair kit P/N 34 52 6 755 742.

PROCEDURE

Install the DSC module (refer to repair instructions 34 52 515), code the module, adjust the steering angle sensor, and perform an "end-of-belt" test:

1. - To code the module, use DIS or MoDiC:
   1. Select Coding/Programming, and follow the on-screen instructions and prompts to complete the coding process.
2. - To adjust the steering angle sensor, use DIS or MoDiC:
   1. Select Diagnosis, and forward to the "Fault symptom selection" screen.
   2. Select "Function Selection" / "Complete vehicle" / "Chassis" / "ABS system with DSC" / "Test schedule", and forward to the "Diagnosis selection" screen.
   3. Select "Service Functions" and forward to the next screen.
   4. Select "4. Adjusting steering angle sensor", and follow the on-screen instructions to complete the adjustment process.
3. To perform the "End-of-belt" test:
   1. Return to the "Diagnosis selection" screen (above):
   2. Select "Expert mode" and forward to the next screen.
   3. Select "9. End-of-belt test", and follow the on screen instructions to complete the test.

PARTS INFORMATION

Part Number	Description	Qty.
34 52 6 755 742	DSC control module	1

WARRANTY INFORMATION

Covered under the terms of the BMW New Vehicle Limited Warranty.

Defect Code	Labor Operation	Labor Allowance
34 52 94 14 00	Main Work: 00 52 311 - Replace DSC module	7 FRU
34 52 94 14 00	+Associated Work: +00 52 956	5 FRU

Main Work:  Use this labor operation number when the only repair performed is the listed warranty repair.

OR

+Associated Work:  Use this labor operation number when other repairs or services are performed along with the listed warranty repair.

Under no circumstances should both labor operation numbers be claimed. Attempts to claim both times will result in an unnecessary delay in claim processing and payment.