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Powertrain

P2636

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

19

Original wording in English

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17067 ↗

CHEVROLET, GMC

17067 - Product Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles equipped with a 6.6L diesel (LML) engine and dual fuel tanks (N2N). Under certain driving conditions, fuel may not be transferred from the rear fuel tank to the front fuel tank at a sufficient rate. If this occ…

PIT5510D ↗

CHEVROLET, GMC

This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles that may have fuel gauge that shows empty and the low fuel level indicator is on. Technician will find Diagnostic Trouble Code P2636 will be set in the Engine Control Module. Technician will need to install (Y) F…

17-NA-171 ↗

CHEVROLET, GMC

Hesitation, Stalling, Engine Speed Flare While Coasting, Unintended Acceleration Feel During a Parking Lot Maneuver, Reduced Surge in Low Speed Maneuvers, Stumble, Harsh Tip-In/Tip-Out, Park-Reverse-Drive Shift Concerns, Harsh Shifts, Erratic Shifts, Engine Vibration, Vibration, Buzz and/or Humming from Steering Wheel, Malfuncti…

PIT5510C ↗

CHEVROLET, GMC

This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles that may have fuel gauge that shows empty and the low fuel level indicator is on. Technician will find Diagnostic Trouble Code P2636 will be set in the Engine Control Module. Technician will need to install (Y) F…

Check vehicle applicability

157

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
CadillacESCALADE ↗2005
CadillacESCALADE ↗2004
CadillacESCALADE ↗2003
CadillacESCALADE ↗2002
CadillacESCALADE ↗2001
ChevroletAVALANCHE ↗2005
ChevroletAVALANCHE ↗2004
ChevroletAVALANCHE ↗2003

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.