Pontiac P2585 Fuel Additive Control Module Warning Lamp Request

Description

OBD-II Trouble Code Description for P2585 Pontiac

Fuel Additive Control Module Warning Lamp Request

What does this mean?

OBD2 Code P2585 Pontiac definition:
The PCM monitors the PCL lamp condition using the PCL lamp operation signal that from the fuel additive control module to instrument cluster. When the fuel additive control module detects that the fuel additive amount is empty. The fuel additive control module sends the signal to instrument cluster and PCM. If the PCM received the signal, the PCM determines that the fuel additive control module requests the PCL lamp to ON.

Symptoms

Possible sumptoms of OBD code P2585 Pontiac
Lamp On, Maybe Limp Mode

Causes

Possible causes of OBD code P2585 Pontiac
No fuel additive in fuel additive tank
Fuel additive system malfunction
Fuel additive level sensor malfunction
Fuel additive control module malfunction

Possible Solutions

Diagnostic procedure

STEP

INSPECTI PontiacON

ACTION Pontiac

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDE PontiacD
???Has the FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY REPAIR INFORMATION AVAILABILIT PontiacY
???Verify related service repair information availability.
???Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA
???Is P2585 Pontiac on FREEZE FRAME DATA?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
4
CHECK Pontiac PCL LAMP STATE
???Start the engine.
???Check the PCL lamp state.
???Does the PCL lamp illuminate?
Yes
Refill the fuel additive, then go to Step 8.
No
Go to the next step.
5
INSPECT FUEL FILLER CAP SWITCH
???Inspect the fuel filler cap switch.
???Is the fuel filler cap switch normal?
Yes
Go to the next step.
No
Replace the fuel filler cap switch, then go to Step 8.
6
INSPECT FUEL ADDITIVE LEVEL SENSOR
???Inspect the fuel additive level sensor.
???Is the fuel additive level sensor normal?
Yes
Go to the next step.
No
Replace the fuel additive level sensor, then go to Step 8.
7
IDENTIFY MALFUNCTI PontiacON AT FUEL ADDITIVE CONTR PontiacOL MODULE OR NOT
???Make sure to reconnect all disconnected connectors.
???Clear the DTC from the PCM memory using the M-MDS.
???Start the engine and warm-up to normal operating temperature.
???Run the vehicle under the FREEZE FRAME DATA stored condition.
???Retrieve the DTC using the M-MDS.
???Is the PENDI PontiacNG CODE same DTC present?
Yes
Inspect and repair or replace the fuel additive pump, then go to the next step.
No
Replace fuel additive control module, then go to the next step.
8
VERIFY THAT DTC P2585 Pontiac TROUBLES PontiacHOOTING IS COMPL PontiacETED
???Make sure to reconnect all disconnected connectors.
???Clear the DTC from the PCM memory using the M-MDS.
???Start the engine and warm-up to normal operating temperature.
???Run the vehicle under the FREEZE FRAME DATA stored condition.
???Retrieve the DTC using the M-MDS.
???Is the PENDI PontiacNG CODE same DTC present?
Yes
Replace PCM, then go to the next step.
No
Go to the next step.
9
VERIFY AFTER REPAIR PROCE PontiacDURE
???Perform “After Repair Procedure”.
???Is there any DTC present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.

Related Codes

P2584 Pontiac

OBD-II Trouble Code Description for P2585 Pontiac

Fuel additive control module warning lamp request


The OBD2 Code Information Be Applicable For Pontiac:

2010 Pontiac G8,2009 Pontiac G8,2009 Pontiac G6 ,2009 Pontiac G3,2008 Pontiac G8,2007 Pontiac Solstice SD-290 Concept,2007 Pontiac Solstice GXP,2007 Pontiac G6 GXP Show Car,2006 Pontiac Torrent,2006 Pontiac Solstice,2006 Pontiac Montana SV6,2006 Pontiac GTO,2006 Pontiac G6 GTP Coupe,2006 Pontiac G6 GTP Convertible,2005 Pontiac Vibe GT,2005 Pontiac Montana SV6,2005 Pontiac Grand Prix,2005 Pontiac Grand Am GT Coupe,2005 Pontiac GTO,2005 Pontiac G6 GT,2004 Pontiac Grand Prix GTP,2004 Pontiac Grand Am GXP,2004 Pontiac GTO 5.7,2004 Pontiac GTO,2004 Pontiac Bonneville GXP,2004 Pontiac Aztek Rally,2003 Pontiac Vibe GT,2003 Pontiac Vibe,2003 Pontiac Sunfire Coupe,2003 Pontiac Montana Thunder,2003 Pontiac Grand Prix,2003 Pontiac Grand Am SE Sedan,2003 Pontiac G6 Concept,2003 Pontiac Aztek,2002 Pontiac Sunfire GXP,2002 Pontiac Sunfire American Tuner,2002 Pontiac Solstice Concept,2002 Pontiac REV Concept,2002 Pontiac Grand Prix GXP,2002 Pontiac Grand Prix G-Force Concept,2002 Pontiac Firebird Trans Am Edition,2001 Pontiac Vibe GT,2001 Pontiac Vibe,2001 Pontiac Sunfire HO,2001 Pontiac Sunfire Accessorized,2001 Pontiac Montana,2001 Pontiac Grand Prix

 

Note:

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