C1204 Rear Axle Dump Valve

POSSIBLE SOURCE(S):
- Open/shorted valve solenoid.
- Open/shorted valve Circuit 510 (T/R) between the antilock brake control module and HCU.
- Shorted/open antilock brake control module valve driver.
- Defective valve feedback circuit within antilock brake control module.
- Circuit 510 shorted to ground.

ACTION(S) TO TAKE:
- Go to Pinpoint Test H.