P1349 on Jaguar
Variable Valve Timing System Malfunction (Bank 1)
P1349 on Jaguar vehicles indicates variable valve timing system malfunction (bank 1). Au7o has documented this code across 1 Jaguar model — most commonly on XK. A Toyota/Lexus-specific code set when the ECM commands a change in intake camshaft timing and the actual valve timing does not change, or stays fixed. The VVT system routes oil pressure through the oil control valve (OCV) to the VVT controller to shift cam position relative to the crank. Symptoms are typically rough or unstable idle, reduced power, poor fuel economy, and a check engine light. Other manufacturers use P1349 for entirely different faults — on Honda/Acura it is generally described as a VTEC system fault, and some references list unrelated definitions — so confirm against your make. Typical repair costs on Jaguar range from $600 to $2,500, depending on the specific model and root cause.
Common Causes of P1349
- •Low, dirty, or overdue engine oil restricting VVT oil flow
- •Clogged VVT oil control valve (OCV) screen or filter
- •Failed VVT/OCV solenoid, or a faulty connector or wiring to it
- •Worn or stuck VVT cam phaser (actuator) on the camshaft
- •Faulty camshaft position sensor or damaged reluctor/timing rotor
- •Stretched timing chain or a chain that has jumped a tooth
P1349 on Jaguar by Model
Jaguar XK(1 issue)
- Variable Valve Timing (VVT) Solenoid Cold-Start Rattle2007-2009
On the 4.2 AJ-V8, worn VVT solenoids and cam phasers are a leading cause of a brief rattle on cold start-up. The locking pin in the intake-cam actuator sticks or breaks, allowing excessive cam movement (roughly 20 degrees each way) until oil pressure builds. It grows more common at higher mileage and can be aggravated by degraded or wrong-viscosity oil. While often just noise, a failing phaser/solenoid can eventually set cam timing correlation faults.
Looking for P1349 on a different make?
View P1349 across all makes →Frequently Asked Questions
What does P1349 mean on Jaguar?▼
P1349 stands for "Variable Valve Timing System Malfunction (Bank 1)." A Toyota/Lexus-specific code set when the ECM commands a change in intake camshaft timing and the actual valve timing does not change, or stays fixed. The VVT system routes oil pressure through the oil control valve (OCV) to the VVT controller to shift cam position relative to the crank. Symptoms are typically rough or unstable idle, reduced power, poor fuel economy, and a check engine light. Other manufacturers use P1349 for entirely different faults — on Honda/Acura it is generally described as a VTEC system fault, and some references list unrelated definitions — so confirm against your make. On Jaguar specifically, this code is documented across 1 model.
What causes P1349 on Jaguar vehicles?▼
Common causes on Jaguar: Low, dirty, or overdue engine oil restricting VVT oil flow, Clogged VVT oil control valve (OCV) screen or filter, Failed VVT/OCV solenoid, or a faulty connector or wiring to it, Worn or stuck VVT cam phaser (actuator) on the camshaft, Faulty camshaft position sensor or damaged reluctor/timing rotor. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P1349 on a Jaguar?▼
Repair costs on Jaguar range from $600 to $2,500, depending on the specific model and root cause.
Which Jaguar models have P1349 documented?▼
Au7o has documented P1349 on 1 Jaguar model: XK.