2006 DODGE RAM SRT-10 Service Repair Manual

Page 3545 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual P0748-PRESSURE SOL CONTROL/TRANS RELAY CIRCUITS (GAS)
For a complete wiring diagramRefer to Section 8W

Page 3546 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual Theory of Operation
The Governor Pressure Solenoid is used to control governor pressure. Governor pressure is used to shift between
first, second, and third gear.
When Monitored:
Continuously with the

Page 3547 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 3.CHECK THE (T16) TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT
Ignition on, engine not running.
With the scan tool, actuate the Transmission Control Output in the
PCM.
Using a 12-volt test light connecte

Page 3548 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 5.CHECK THE (T118) GOVERNOR PRESSURE SOLENOID CONTROL CIRCUIT FOR A SHORT TOGROUND
Measure the resistance between ground and the (T118) Governor Pres-
sure Solenoid Control circuit.
Is the resistance

Page 3549 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 7.CHECK THE (T118) GOVERNOR PRESSURE SOLENOID CONTROL CIRCUIT FOR A SHORT TO
ANOTHER CIRCUIT
Turn the ignition off to the lock position.
Remove the Transmission Control Relay.
Measure the resistance b

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DODGE RAM SRT-10 2006  Service Repair Manual 9.CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR OPEN.
Ignition on, engine not running.
Using the scan tool in the TIPM, actuate the Transmission.
Using a 12-volt test light connected to grou

Page 3551 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 11 .CHECK THE (T515) TRANSMISSION CONTROL CIRCUIT FOR AN OPEN
Turn the ignition off to the lock position.
Disconnect the PCM C2 harness connector.
Connect a jumper wire between cavity 30in the PCM C2

Page 3552 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual P0751-O/D SWITCH PRESSED (LO) MORE THAN 5 MINUTES
For a complete wiring diagramRefer to Section 8W