So i have the trouble code of P1626 - a/c circuit open to power B + (VLCM). Does anyone know what this means?

 

Hmmmmm,,,, 2001 C5 P1626 =

DTC P1626
Circuit Description
The body control module (BCM) produces the theft deterrent crank relay and fuel enable signal when ignition is ON and the proper ignition code voltage value is detected. The powertrain control module (PCM) monitors the fuel enable signal during crank. If the proper signal is present on the Class 2 Serial Data Circuit, the PCM enables the fuel delivery in order to allow the engine to start. If the PCM determines that the fuel enable signal is not present or incorrect while the engine is running, DTC P1626 is set. The engine continues to start and run as long as DTC P1626 is stored. If the problem affects inputs to the VTD signal, the starter motor may be disabled.

Conditions for Running the DTC
The engine is running.

Conditions for Setting the DTC
The PCM has detected a loss of the state of health serial data message from the theft deterrent system.

Action Taken When the DTC Sets
The body control module (BCM) send a class to message to the instrument panel cluster (IPC) to illuminate the SECURITY indicator.
The powertrain control module (PCM) will not illuminate the malfunction indicator lamp (MIL).
The PCM will store conditions which were present when the DTC set as failure records data only. This information will not be stored as freeze frame data.
Conditions for Clearing the DTC
A history DTC will clear after 40 consecutive warm-up cycles have occurred without a malfunction.
The DTC can be cleared by using a scan tool.
Step
Action
Yes
No

1
Did you perform the Theft Deterrent Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Theft Deterrent

2

Important
If a loss of DLC data has already been diagnosed, clear this DTC and continue diagnosis with Diagnostic System Check - Engine Controls in Engine Controls - 5.7L.


Is DTC P1631 set as a current code?
Go to Diagnostic Trouble Code (DTC) List
Go to Step 3

3
Inspect for poor connections at the harness connector of the powertrain control module (PCM). Refer to Testing for Intermittent and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?
Go to Step 5
Go to Step 4

4

Important
The replacement powertrain control module (PCM) must be programmed. Refer to Programming Theft Deterrent System Components .


Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement in Engine Controls - 5.7L.

Did you complete the replacement?
Go to Step 5
--

5
Use the scan tool in order to clear the DTCs.
Operate the vehicle within the conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?
Go to Step 2
System OK



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You sure you have the correct DTC or looked up the right DTC??

Bill

 

I have a left actuator malfunction hence the B0441 trouble code from the DIC. I also have a trouble code of B0331 and cannot find any explanation what that is for. I just had a shop install my new Tranzilla 6speed and changed the clutch, PP, Slave, Bearing, and put a billet chrome moly flywheel in. When i turn on the AC the AC power light goes on and off, but no cool air from the ducts. I live in Houston Texas so AC is definately necessary.

Mike