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Display text
Meaning
Measure
DL 211+A003-ECU
ECU 4 not recognized on default bus
1. Check LOP visually (→ Page 157);
2. Perform LOP test procedures
(→ Page 160);
3. Check ECU plug-in connections
(→ Page 153);
4. Check engine wiring (→ Page 149);
5. Contact Service.
• Have ECU checked and re‐
placed, if required.
DL 211+A004-EMU
EMU 1 not recognized on default bus
1. Check LOP visually (→ Page 157);
2. Perform LOP test procedures
(→ Page 160);
3. Check ECU plug-in connections
(→ Page 153);
4. Check engine wiring (→ Page 149);
5. Contact Service.
• Have EMU checked and re‐
placed, if required.
HI P-Oil Filter Diff.
Oil pressure difference between oil
pressure upstream of filter and oil
pressure downstream of filter too high
Replace engine oil filter (→ Page 124).
MG Start condition
check
Conditions for starting not met
Check start conditions and fulfill if nec‐
essary.
RL 211+A001-A001
DIS not recognized on redundant bus
1. Check LOP visually (→ Page 157);
2. Perform LOP test procedures
(→ Page 160);
3. Contact Service.
• Have DIS checked and re‐
placed, if required.
RL 211+A001-A010
LCU of LOP 1 (PIM No. 21.X+A001-
A010) not recognized on redundant
bus
1. Check LOP visually (→ Page 157);
2. Perform LOP test procedures
(→ Page 160);
3. Contact Service.
• Have MPU 23 of PIM No. 21.X
+A001-A010 checked and re‐
placed, if required.
RL 211+A001-A020
LMU of LOP 1 (PIM No. 21.X+A001-
A020) not recognized on redundant
bus
1. Check LOP visually (→ Page 157);
2. Perform LOP test procedures
(→ Page 160);
3. Contact Service.
• Have MPU 23 of PIM No. 21.X
+A001-A020 checked and re‐
placed, if required.
RL 211+A003-ECU
ECU 4 not recognized on redundant
bus
1. Check LOP visually (→ Page 157);
2. Perform LOP test procedures
(→ Page 160);
3. Check ECU plug-in connections
(→ Page 153);
4. Contact Service.
• Have ECU checked and re‐
placed, if required.
MS15021/01E 2012-02 | Troubleshooting | 77
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