2006 DODGE RAM SRT-10 ignition

When Monitored:
With the ignition on. Battery voltage greater than 10.4 volts.
Set Condition:
If the Totally Integrated Power Module (TIPM) detects a shorted high condition in the (C123) Condenser Fan
Control circuit.
Possible Causes
(C123) CONDENSER FAN CONTROL OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE
EXCESSIVE RESISTANCE IN THE (Z823) GROUND CIRCUIT
CONDENSER FAN MOTOR
TIPM
Diagnostic Test
1.VERIFY DTC IS ACTIVE
Turn the ignition on.
With the scan tool, erase TIPM DTCs.
Turn the ignition off, wait 10 seconds, and turn the ignition on.
With the scan tool, actuate the Condenser Fan.
With the scan tool, read TIPM DTCs.
Does this DTC reset?
Ye s>>
With the scan tool, de-actuate the Condenser Fan. Then, Go To 2
No>>
With the scan tool, de-actuate the Condenser Fan. Then, check for an intermittent condition by inspect-
ing the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the
related connectors for broken, bent, corroded, and contaminated terminals.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
2.CHECK (C123) CONDENSER FAN CONTROL OUTPUT CIRCUIT FOR A SHORT TO BATTERY VOLTA G E
Turn the ignition off
Disconnect the TIPM C8 harness connector.
Disconnect the Condenser Fan Motor harness connector.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, probe the (C123) Con-
denser Fan Control Output circuit at the Condenser Fan Motor harness
connector.
Does the test light illuminate?
Ye s>>
Repair the (C123) Condenser Fan Control Output circuit for
a short to battery voltage.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No>>
Go To 3

3.CHECK (Z823) GROUND CIRCUIT FOR AN OPEN
Turn the ignition off.
Reconnect the TIPM C8 harness connector.
NOTE: The test light should illuminate brightly. Compare the
brightness to that of a direct connection to the battery.
Using a 12-volt test light connected to 12 volts, probe the (Z823)
Ground circuit at the Condenser Fan Motor harness connector.
Does the test light illuminate brightly?
Ye s>>
Go To 4
No>>
Repair the excessive resistance in the (Z823) Ground cir-
cuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
4.CHECK CONDENSER FAN MOTOR
Ignition on, engine not running.
With the scan tool, actuate the Condenser Fan.
Using a 12-volt test light connected to ground, probe the (C123) Con-
denser Fan Control Output circuit at the Condenser Fan Motor harness
connector.
Does the test light illuminate brightly and flash on and off?
Ye s>>
With the scan tool, de-actuate the Condenser Fan. Then,
replace the Condenser Fan Motor in accordance with the
Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No>>
With the scan tool, de-actuate the Condenser Fan. Then,
Go To 5
5.INSPECT RELATED WIRING
NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the related wiring harness and connectors.
Pay particular attention to all Power and Ground circuits.
Were any problems found?
Ye s>>
Repair as necessary.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No>>
Replace the TIPM in accordance with the Service Information.
Perform the BODY VERIFICATION TEST – VER 1. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

2.CHECK FOR DTCs IN THE A/C HEATER CONTROL MODULE
Turn the ignition on.
With the scan tool, read HVAC DTCs.
Excluding B10B2–A/C Cool Down Test Performance, are any DTCs present in the A/C Heater Control
Module?
Ye s>>
Diagnose and Repair the DTC(s). Refer to the Table of Contents in this Section for a complete list of
HVAC related symptoms. Rerun the Cooldown Test after the repair is complete.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No>>
Go To 3
3.CHECK FOR DTCs IN THE TIPM
With the scan tool, read TIPM DTCs.
Are any DTCs present in the TIPM?
Ye s>>
Diagnose and Repair the DTC(s). Rerun the Cooldown Test after the repair iscomplete.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No>>
Go To 4
4.CHECK FOR DTCs IN THE PCM / ECM
With the scan tool, read PCM / ECM DTCs.
Are any DTCs present in the PCM / ECM?
Ye s>>
Diagnose and repair the DTC(s). (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) for the diagnostic
procedures. Rerun the Cooldown Test after the repair is complete.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No>>
Refer to the Service Information for additional Cooldown Test related diagnostic information and testing
procedures. Rerun the Cooldown Test after the repair is complete.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).

When Monitored:
With the ignition on. Battery voltage greater than 10.4 volts. TIPM requesting Condenser Fan operation.
Set Condition:
If the Totally Integrated Power Module (TIPM) detects an open condition inthe (C123) Condenser Fan Control
circuit.
Possible Causes
(C123) CONDENSER FAN CONTROL OUTPUT CIRCUIT OPEN
CONDENSER FAN MOTOR
TIPM
Diagnostic Test
1.VERIFY DTC IS ACTIVE
Turn the ignition on.
With the scan tool, erase TIPM DTCs.
Turn the ignition off, wait 10 seconds, and turn the ignition on.
With the scan tool, actuate the Condenser Fan.
With the scan tool, read TIPM DTCs.
Does this DTC reset?
Ye s>>
With the scan tool, de-actuate the Condenser Fan. Then, Go To 2
No>>
With the scan tool, de-actuate the Condenser Fan. Then, check for an intermittent condition by inspect-
ing the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the
related connectors for broken, bent, corroded, and contaminated terminals.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
2.CHECK (C123) CONDENSER FAN CONTROL OUTPUT CIRCUIT OPEN
Turn the ignition off.
Disconnect the TIPM C8 harness connector.
Disconnect the Condenser Fan harness connector.
Measure the resistance of the (C123) Condenser Fan Control Output
circuit between the TIPM C8 harness connector and the Condenser Fan
harness connector.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 3
No>>
Repair the (C123) Condenser Fan Control Output circuit for
an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).

3.CHECK CONDENSER FAN MOTOR
Reconnect the TIPM C8 harness connector.
Ignition on, engine not running.
With the scan tool, actuate the Condenser Fan.
Using a 12-volt test light connected to ground, probe the (C123) Con-
denser Fan Control Output circuit at the Condenser Fan harness con-
nector.
Does the test light illuminate brightly and flash on and off?
Ye s>>
With the scan tool, de-actuate the Condenser Fan. Then,
replace the Condenser Fan Motor in accordance with the
Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No>>
With the scan tool, de-actuate the Condenser Fan. Then,
Go To 4
4.INSPECT RELATED WIRING
NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors.
Pay particular attention to all Power and Ground circuits.
Were any problems found?
Ye s>>
Repair as necessary.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No>>
Replace the Totally Integrated Power Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).

When Monitored:
With the ignition on.
Set Condition:
The Totally Integrated Power Module (TIPM) will set this DTC if it detects an overcurrent condition on the
(F942) Fused Ignition Switch Output (Run-Start) circuit for more than 500ms when blower motor operation is
requested.
Possible Causes
TERMINAL DAMAGE OR CORROSION
HIGH RESISTANCE ON (F942) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT
HIGH RESISTANCE ON (C70) BLOWER MOTOR HIGH DRIVER CIRCUIT
HIGH RESISTANCE ON (Z134) GROUND CIRCUIT
BLOCKAGE STALLING BLOWER MOTOR
BLOWER MOTOR
TIPM
A/C HEATER CONTROL
Diagnostic Test
1.CHECK FOR AN ACTIVE OR STORED DTC B10E9 BLOWER MOTOR CONTROL CIRCUIT LOW IN THE
TIPM
Turn the ignition on.
With the scan tool, read TIPM DTCs.
Does the scan tool display active or stored DTC B10E9 BLOWER MOTOR CONTROL CIRCUIT LOW?
Ye s>>
Diagnose and repair the DTC. Refer to the Table of Contents in this section for a complete list of HVAC
related symptoms.
No>>
Go To 2
2.INSPECT THE TIPM & BLOWER MOTOR CONNECTOR TERMINALS & WIRE HARNESS FOR A
CONDITION CAUSING HIGH CIRCUIT RESISTANCE
Turn the ignition off.
Disconnect the TIPM C3 harness connector.
Disconnect the Blower Motor harness connector.
Inspect the connector terminals for signs of corrosion build up and dam-
age.
Visually inspect the wiring harness for any chafed, pierced, pinched or
partially broken wires hidden in the wire insulation.
Were any of the above conditions found?
Ye s>>
Repair as necessary.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No>>
Go To 3

3.CHECK THE (F942) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT FUNCTION
Connect one end of a jumper wire to the (F942) Fused Ignition Switch
Output (Run-Start) circuit in the Blower Motor harness connector and
connect the other end of the jumper wire to a clean chassis ground.
NOTE: The test light should illuminate brightly. Compare the
brightness to that of a direct connection to the battery.
Using a 12-volt test light connected to 12 volts, probe the (F942) Fused
Ignition Switch Output (Run-Start) circuit in the TIPM C3 harness con-
nector.
Does the test light illuminate brightly?
Ye s>>
Go To 4
No>>
Repair the (F942) Fused Ignition Switch Output (Run-Start)
circuit for high resistance.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
4.CHECK (C70) BLOWER MOTOR HIGH DRIVER CIRCUIT & (Z134) GROUND CIRCUIT FUNCTION
Remove the jumper wire from the Blower Motor harness connector.
Turn the blower control on.
NOTE: The test light should illuminate brightly. Compare the
brightness to that of a direct connection to the battery.
Using a 12-volt test light connected to 12 volts, probe the (C70) Blower
Motor High Driver circuit in the Blower Motor harness connector.
Does the test light illuminate brightly?
Ye s>>
Go To 5
No>>
Go To 7

5.CHECK THE OUTPUT FROM THE TIPM ON THE (F942) FUSED IGNITION SWITCH OUTPUT (RUN-START)
CIRCUIT
Reconnect the TIPM C3 harness connector.
Turn the ignition on.
With a scan tool in TIPM, select Actuators, and actuate the Blower
Motor.
Using the 12-volt test light connected to ground, probe the (F942)
Fused Ignition Switch Output (Run-Start) circuit in the Blower Motor har-
ness connector.
Does the test light illuminate brightly?
Ye s>>
Go To 6
No>>
Replace the TIPM in accordance with the Service Informa-
tion.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
6.CHECK FOR A BLOCKAGE STALLING THE BLOWER MOTOR
Turn the ignition off.
Remove the blower motor from the HVAC housing assembly.
Look for anything on the blower motor and in the HVAC housing that is physically preventing blower motor opera-
tion.
Is anything physically preventing blower operation?
Ye s>>
Repair as necessary. Also, check blower motor for proper operation. Reinstall or replace the blower
motor as necessary in accordancewith the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No>>
Replace the blower motor in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
7.CHECK THE (C70) BLOWER MOTOR HIGH DRIVER CIRCUIT FOR HIGH RESISTANCE
Disconnect the A/C Heater Control C2 harness connector.
Measure the resistance of the (C70) Blower Motor High Driver circuit
between the A/C Heater Control C2 harness connector and the Blower
Motor harness connector.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 8
No>>
Repair the (C70) Blower Motor High Driver circuit for high
resistance.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 -
ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).