01367 on 1997-2001 Audi A4 — Central Locking Pump Run Time Exceeded (Likely Leak)
1 vehicles · 1 makes · $15-$700 repair
How to diagnose and fix 01367: most-reported vehicles
Ranked by owner reports. Each card gives the symptoms, how to confirm the cause, the fix, parts and sources for that vehicle.
Audi A4 · 1997–2001
The pneumatic central locking pump/module is located in the right-rear corner of the trunk under the trim. The heart of the system is the central locking pump control module (CLP) located in the trunk. It's in the right rear corner of the A4 & S4. The CLP consists of a graphite rotary-vane pump driven by an electric motor that generates air pressure or vacuum that locks and unlocks the doors, trunk, & fuel door. Two common failure modes: The Audi pneumatic central locking system is plagued by several common problems as it ages. The most common problem is when the internal graphite parts of the air pump wear out and shatter. This is the result of normal use and wear. Many people have observed the locks taking longer and longer to unlock over a period of weeks or months as the pump parts are in their final stages of life. Second mode is electronics failure from water intrusion: failure of the electronics due to water intrusion into the trunk. In extreme cases the electronics failure can cause the CLP to run until it heats up and melts. Water intrusion on the A4 & S4 models is often through a faulty trunk seal or faulty right side tail light seal. A third mode is a slow leak in the plastic tubing (most common at the driver's-door hinge) that causes the pump to over-run; sustained over-run is what eventually shatters the graphite impeller.
Common Symptoms
- doors fail to lock/unlock from key or remote
- pump runs continuously until timeout
- rattling sound from trunk (shattered graphite)
- only driver's door locks/unlocks
- burning smell from rear of trunk
- interior lights / alarm misbehaving
- locks taking progressively longer to actuate over weeks/months
How to Fix
Open the trunk and pull back the right-side liner — if the foam block around the pump is wet, the right tail-light seal and/or trunk seal must be fixed before any new pump will survive. Test by listening: if the motor hums but produces no pressure/vacuum at the nipples, the internal graphite vanes have shattered. If the pump runs continuously until timeout, suspect a leak in the plastic vacuum lines (common at the door-T fittings), dried hose-connector O-rings, or the pump's internal pressure-cutoff diaphragm/contacts. The pump runs until it meets pressure, or times out — a common fix is a small split in one of the tubes over a nipple, which can be cut off and patched with a piece of rubber tubing. Used CLPs run $50-150, new ~$300-500; dealer replacement totals $500-700. Module part numbers 8D0862257B/N (pre-facelift) and 8L0862257B/N (facelift) for B5 A4 — board can be swapped to retain coding, or pump motor/graphite can be transplanted from a cheap VW Passat/Jetta donor unit.
Sources for this issue (1)
Find 01367 by make
Browse every documented model and issue for your make.
01367 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does 01367 mean?
01367 stands for "Central Locking Pump Run Time Exceeded (Likely Leak)." This is a VAG (VW/Audi/Seat/Skoda) fault code indicating the central locking vacuum pump ran longer than its allowed time limit without reaching target pressure, which the system interprets as a likely leak in the vacuum-operated locking system. It typically means the doors/trunk may fail to lock or unlock properly because the pump cannot build or hold vacuum.
What are the most common causes of 01367?
The most common causes of 01367 are: Leak in the central locking vacuum lines or hoses (cracked, disconnected, or aged tubing), Faulty or worn central locking vacuum pump (commonly located in the trunk/luggage area), Leaking door, trunk, or fuel-flap lock actuator element allowing vacuum to bleed off, Disconnected or pulled-off vacuum line at a lock actuator, Failed seals or check valve within the pump assembly. The specific cause varies by vehicle.
How much does it cost to fix 01367?
Repair costs for 01367 range from $15 to $700, depending on the vehicle and root cause.
Which vehicles are affected by 01367?
Au7o has documented 01367 across 1 vehicle models from 1 manufacturers: Audi.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.