| DTC Troubleshooting: U0151 DTC U0151: Gauge control module lost communication with SRS unit 
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| DTC Description | DTC |  
| U0151 Gauge control module lost communication with SRS unit |  |  |  
|  |  
 
 NOTE: If you have any loss of communication DTCs for the PCM, troubleshoot those DTCs first. 
 *: Wire colors may be substituted for SRS circuits. 
 
| 1. | Problem verification: 
 Problem verification 
| ?1. | Turn the vehicle to the ON mode. |  
 
| ?2. | Clear the DTCs with the HDS. 
 |  
 
| ?3. | Turn the vehicle to the OFF (LOCK) mode and then the ON mode. |  
 
| ?4. | Wait for at least 6 seconds. |  
 
| ?5. | Check for DTCs with the HDS. 
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| DTC Description | DTC |  
| U0151 Gauge control module lost communication with SRS unit |  |  |  
|  |  |  |  Is DTC U0151 indicated? 
|  |  |  |  |  
|  |  |  | 
Intermittent failure, the system is OK at this time. Check for loose or poor connections.? |  
| 2. | Open wire check (F-CAN lines): 
 Open wire check (F-CAN lines) 
| ?1. | Turn the vehicle to the OFF (LOCK) mode. |  
 
| ?2. | Disconnect the following connectors. 
| 
| Gauge control module 32P connector |  
| SRS unit connector A (39P) |  |  
|  |  |  
 
| ?3. | Check for continuity between test points 1 and 2 respectively. 
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| Test condition | Vehicle OFF (LOCK) modeGauge control module 32P connector: disconnected
 SRS unit connector A (39P): disconnected
 |  |  
|  |  
 
| 
| Test point 1 |  |  
| Test point 2 |  |  |  
|  |  
 
| 
| Test point 1 |  |  
| Test point 2 |  |  |  
|  |  |  |  Is there continuity? 
|  |  |  |  |  
|  |  |  | 
An open or poor connection in the wires.? |  |