DTC P1518 sets if the battery voltage is low. If the customer's concern is slow cranking or no crank because battery voltage is low, ignore DTC P1518. Clear any DTCs from memory that may have set from the low battery voltage condition. DTC P1518 sets when there is a short to B+ on the TAC module ground circuit.

Customer: Have a 1998 Corvette with code P1518 PCM to TAC module serial data circuit,runs poorly,won't accelerate,reduced power message.Saw where 97's and 98's had TAC module problems so I tried to order a new one but found they were unavailable so I settled on a supposed good used one.Upon removing the old one I saw that it looked like it had already been replaced with the updated part number ...

To address and resolve the DTCs P1514, P1518, and P151A on your 2017 Kenworth T680 related to the intake manifold runner control system, you may need to perform the following steps:1. **Visual Inspection:** Start by visually inspecting the intake manifold runner control system components, wiring, and connectors for any obvious signs of damage ...

Customer: I have a P1518 code. Reduced Engine Power Mechanic's Assistant: I understand that youre experiencing a P1518 code and reduced engine power, our Chevy Mechanic will be able to help you diagnose and resolve this issue. Have you noticed any other issues or issues with your vehicle besides the reduced engine power?

Customer: 2003 chevy avalanche, code P1518. It won't accelerate. Answered by david craig in 5 mins 3 years ...

Customer: P1518 Code. Have fixed all ground issues. Replaced throttle position sensor. Still intermittent reduced engine power 4-5 times every morning, but not problems on the afternoon drive. Mechanic's Assistant: Does the vehicle hesitate during acceleration? Or maybe speed up suddenly when you aren't even hitting the gas?

The P1518 code means that when the PCM commanded the butterflies closed, it didn't see them move. While watching the IMRC Linkage, start the engine and watch for movement. If there is no movement, remove the upper intake to gain access to the lower intake.

DTC P1518 sets if the battery voltage is low. If the customer's concern is slow cranking or no crank due to low battery voltage, ignore the DTC P1518. Clear codes that set due to low voltage.DTC P1518 also sets when there is a short to B+ on the TAC module ground circuit. Inspect the Brake and Cruise fuses first.

Code p1152 p1153 p1154 p1155 p1518 p0140 p0160 start it up runs ok but the cel flashes slow at first then faster then tamaz | Subaru Master Certified,ASE Master technician ,30 years experience 6,946 Satisfied Customers

Customer: we have a 2015 peterbilt 579 with a paccar mx13. came in with P3997, P1517 and P1518 codes with a message for poor def quality. drained def and swapped def tank sensor from another truck. we cleared the codes and p1517 and p1518 will not clear. We have driven on multiple drive cycles and done multiple forced regens and the codes remain.