LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lincoln
>>
2003
>>
Navigator 4WD
>>
Repair and Diagnosis
>>
Electrical
>>
Charging Systems
>>
Charging System - Generators & Regulators
>>
Self-Diagnostic System
>>
Diagnostic Trouble Code Definitions
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE DEFINITIONS
DTC
(1)
Description
Perform Test
P1246
System Voltage Failure
(2)
(1)
Codes listed in this table are only for testing covered in this article. For complete DTC listing, see
SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE
article in ENGINE PERFORMANCE.
(2)
See
TEST HY: GENERATOR/REGULATOR SYSTEM
under SYSTEM TESTS in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article in ENGINE PERFORMANCE.