Other Concern: No Engine Braking in Manual 1st Position

OTHER CONCERN: NO ENGINE BRAKING IN MANUAL 1ST POSITION (259)

Possible Component	Reference/Action
259 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, Shift Solenoids A, C, D, Pressure Control Solenoids A, B	Carry out on -board diagnostic tests. REFER to the INTRODUCTION article in ENGINE PERFORMANCE. Go to PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS and Go to PINPOINT TEST D: PRESSURE CONTROL (PC) SOLENOIDS (PCA, PCB, PCC) . Repair as required. Clear DTCs, road test and rerun on-board diagnostic test.
Fluid
Incorrect level	Adjust fluid to the correct level, refer to TRANSMISSION FLUID LEVEL CHECK .
Incorrect pressures
High/low pressures	Check pressure at Line and PC C taps. Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES .
Reverse Servo
Servo retaining screws damaged	Inspect for damage. Repair as necessary.
Seals (piston and cover) damaged	Inspect for damage. Repair as necessary.
Reverse Band
Band damaged	Inspect for damage. Repair as necessary.
Servo worn or damaged	Inspect for damage. Repair as necessary.