ETC troubleshooting complaints in combination with stored fault code - AD27.19-P-5008-01D

Transmission 722.6 in models 129, 140, 163, 170, 202, 208, 210

Complaint:

Transmission in mechanical-hydraulic emergency running mode

Fault code:

051 147 P0 700

Possible cause	Remedy
Incorrect control unit coding in ETC control module (N15/3)	Check control unit coding, rewrite if necessary.
Incorrect rear axle ratio	Check rear axle ratio, if necessary replace rear axle center piece.
Oil filter not installed	Fit oil filter.
Internal Torx screw (M860)for piston guide B2/B3 loose or not installed	Tighten or install screws.
Modulating pressure regulating solenoid valve (Y3/6y1) blocked (foreign matter)	Replace solenoid. Only up to transmission end no. 538312, after which sieve in oil duct.
Control, shifting, or command valve blocked (foreign matter)	Inspect slide valve for end position and ease of movement, free up if necessary.
Multi-plate clutch K3 burnt, hot-spots or abrasion	Replace internal and external-toothed disks. Only up to transmission end no. 331159, after which the lining thickness was modified. Replace additional control spool for torque converter lockup (part no. 140 277 28 28). Only up to transmission end no. 221668.
F1 freewheel defective	Replace F1 freewheel. Because in the event of damage to the F1 freewheel, some form of pre-damage to the F2 freewheel cannot be ruled out, the F2 freewheel, hollow shaft and rear sun gear/internally-toothed disk carrier K3 should be replaced as a preventive measure.
F2 freewheel defective	Replace F2 freewheel, hollow shaft and rear sun gear/internally-toothed disk carrier K3.
Circlip for output shaft's ball bearing missing	Replace transmission, rinse out radiator and lines. Replace converter only if shavings are found in converter.
Circlip for output shaft's K3 thrust bearing missing	Replace transmission, rinse out radiator and lines. Replace converter only if shavings are found in converter.
B2/B3 disk spring circlips not in groove	Replace transmission, rinse out radiator and lines. Replace converter only if shavings are found in converter.
Bushing for drive/output shaft worn	Replace drive and output shafts. Only up to transmission end no. 1324240, reconditioned transmission up to transmission end no. 346607, after which plain bearing replaced by needle roller bearing.
Motor operator on transfer case (model 163 only)	Replace motor operator on transfer case